main/gnats: build fix for ppc64le

Fails with multiple warnings, thus eradicating -Werror

main/gnats/APKBUILD

 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=gnats
 pkgver=4.2.0
-pkgrel=4
+pkgrel=5
 pkgdesc="The GNU Bug Tracking System"
 url="https://www.gnu.org/software/gnats/"
 arch="all"
@@ -10,7 +10,7 @@ depends="postfix"
 makedepends="texinfo"
 install=
 source="https://ftp.gnu.org/pub/gnu/$pkgname/$pkgname-$pkgver.tar.gz
-	gnats-gcc8.patch
+	no-werror.patch
 	"
 subpackages="$pkgname-doc"
 pkgusers="gnats"
@@ -38,4 +38,4 @@ package() {
 }
 
 sha512sums="650faa87206889912e27a27daba4c86292fac90250a88e7e6272cc8488fc19dfd6098bdd450553cd6c2c1d446072a8da9395f1ce7b1cd284596994ce53744152  gnats-4.2.0.tar.gz
-616882229b0b0bfb26ed23fcf63c8888c51575eb92b82c19fe9d25128e8f5a20e6b52ed80ecff2ec4405c1c37e24268bab7fa7c068d2df47641d8e5b06d2895a  gnats-gcc8.patch"
+f37cbc05bcf4fe37226e95ca84162ffa9ca92da3e30907dbbde67805aa0ab6210724a954a9106f4522c0adcaf936919beb11afb7d477142491be09c9da0ee38d  no-werror.patch"

main/gnats/gnats-gcc8.patch

---- a/gnats/mail.c
-+++ b/gnats/mail.c
-@@ -67,7 +67,7 @@
-   if (res != NULL)
-     {
-       if (res->admFields[ResponsibleAdmAlias] == NULL ||
--	  res->admFields[ResponsibleAdmAlias] == '\0')
-+	  *res->admFields[ResponsibleAdmAlias] == '\0')
- 	{
- 	  if (res->admFields[ResponsibleAdmAlias] != NULL)
- 	    {
---- a/gnats/misc.c
-+++ b/gnats/misc.c
-@@ -108,6 +108,7 @@
- 	      fprintf (gnats_logfile, "%s", buf);
- 	      break;
- 	    }
-+	  /* fallthrough */
- 	  /* No log file, log to stderr. */
- 	case STDERR:
- 	  fprintf (stderr, "%s", buf);
---- a/gnats/regex.c
-+++ b/gnats/regex.c
-@@ -2310,6 +2310,7 @@
- 	  if ((syntax & RE_BK_PLUS_QM)
- 	      || (syntax & RE_LIMITED_OPS))
- 	    goto normal_char;
-+	  /* fallthrough */
- 	handle_plus:
- 	case '*':
- 	  /* If there is no previous pattern... */

main/gnats/no-werror.patch

+diff --git a/configure b/configure
+index dfacf87..c3bdb3a 100755
+--- a/configure
++++ b/configure
+@@ -6722,7 +6722,7 @@ fi
+ 
+ 
+ if test "x$GCC" = "xyes" ; then
+-		GCC_CFLAGS="-ansi -Werror -Wall"
++		GCC_CFLAGS="-ansi -Wall"
+ 
+ 		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -Wextra" >&5
+ $as_echo_n "checking whether C compiler accepts -Wextra... " >&6; }