get_maintainer: fix perl 5.22/5.24 deprecated/incompatible "\C" use

from linux commit ce8155f7a3d5:

Perl 5.22 emits a deprecated message when "\C" is used in a regex.  Perl
5.24 will disallow it altogether.

Fix it by using [A-Z] instead of \C.

>From linux adapted to U-Boot by:
Signed-off-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>

diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
index 4707dfd18e6f5e1045c03e139b3c5a2d94ad5916..83a4e5bad2428e63f113042225a182a3232c8d5e 100755 (executable)
--- a/scripts/get_maintainer.pl
+++ b/scripts/get_maintainer.pl
@@ -298,7 +298,7 @@ sub read_maintainers {
     while (<$maint>) {
        my $line = $_;
 
-       if ($line =~ m/^(\C):\s*(.*)/) {
+       if ($line =~ m/^([A-Z]):\s*(.*)/) {
            my $type = $1;
            my $value = $2;
 
@@ -533,7 +533,7 @@ sub range_is_maintained {
 
     for (my $i = $start; $i < $end; $i++) {
        my $line = $typevalue[$i];
-       if ($line =~ m/^(\C):\s*(.*)/) {
+       if ($line =~ m/^([A-Z]):\s*(.*)/) {
            my $type = $1;
            my $value = $2;
            if ($type eq 'S') {
@@ -551,7 +551,7 @@ sub range_has_maintainer {
 
     for (my $i = $start; $i < $end; $i++) {
        my $line = $typevalue[$i];
-       if ($line =~ m/^(\C):\s*(.*)/) {
+       if ($line =~ m/^([A-Z]):\s*(.*)/) {
            my $type = $1;
            my $value = $2;
            if ($type eq 'M') {
@@ -600,7 +600,7 @@ sub get_maintainers {
 
            for ($i = $start; $i < $end; $i++) {
                my $line = $typevalue[$i];
-               if ($line =~ m/^(\C):\s*(.*)/) {
+               if ($line =~ m/^([A-Z]):\s*(.*)/) {
                    my $type = $1;
                    my $value = $2;
                    if ($type eq 'X') {
@@ -615,7 +615,7 @@ sub get_maintainers {
            if (!$exclude) {
                for ($i = $start; $i < $end; $i++) {
                    my $line = $typevalue[$i];
-                   if ($line =~ m/^(\C):\s*(.*)/) {
+                   if ($line =~ m/^([A-Z]):\s*(.*)/) {
                        my $type = $1;
                        my $value = $2;
                        if ($type eq 'F') {
@@ -917,7 +917,7 @@ sub find_first_section {
 
     while ($index < @typevalue) {
        my $tv = $typevalue[$index];
-       if (($tv =~ m/^(\C):\s*(.*)/)) {
+       if (($tv =~ m/^([A-Z]):\s*(.*)/)) {
            last;
        }
        $index++;
@@ -931,7 +931,7 @@ sub find_starting_index {
 
     while ($index > 0) {
        my $tv = $typevalue[$index];
-       if (!($tv =~ m/^(\C):\s*(.*)/)) {
+       if (!($tv =~ m/^([A-Z]):\s*(.*)/)) {
            last;
        }
        $index--;
@@ -945,7 +945,7 @@ sub find_ending_index {
 
     while ($index < @typevalue) {
        my $tv = $typevalue[$index];
-       if (!($tv =~ m/^(\C):\s*(.*)/)) {
+       if (!($tv =~ m/^([A-Z]):\s*(.*)/)) {
            last;
        }
        $index++;
@@ -971,7 +971,7 @@ sub get_maintainer_role {
 
     for ($i = $start + 1; $i < $end; $i++) {
        my $tv = $typevalue[$i];
-       if ($tv =~ m/^(\C):\s*(.*)/) {
+       if ($tv =~ m/^([A-Z]):\s*(.*)/) {
            my $ptype = $1;
            my $pvalue = $2;
            if ($ptype eq "S") {
@@ -1030,7 +1030,7 @@ sub add_categories {
 
     for ($i = $start + 1; $i < $end; $i++) {
        my $tv = $typevalue[$i];
-       if ($tv =~ m/^(\C):\s*(.*)/) {
+       if ($tv =~ m/^([A-Z]):\s*(.*)/) {
            my $ptype = $1;
            my $pvalue = $2;
            if ($ptype eq "L") {
@@ -1072,7 +1072,7 @@ sub add_categories {
                if ($name eq "") {
                    if ($i > 0) {
                        my $tv = $typevalue[$i - 1];
-                       if ($tv =~ m/^(\C):\s*(.*)/) {
+                       if ($tv =~ m/^([A-Z]):\s*(.*)/) {
                            if ($1 eq "P") {
                                $name = $2;
                                $pvalue = format_email($name, $address, $email_usename);