media-sound/mangler: more c++11 fixes

Closes: https://bugs.gentoo.org/784401
Package-Manager: Portage-3.0.18, Repoman-3.0.2
RepoMan-Options: --force
Signed-off-by: Matthew Thode <prometheanfire@gentoo.org>

media-sound/mangler/files/fix_ftbfs_narrowing_conversion.patch

@@ -0,0 +1,18 @@
+Description: Declare byte array as unsigned char rather than char to avoid narrowing
+ A step up in pedantics in C++11 has identified a byte array that was not
+ declared as unsigned.
+Author: William Panlener <wpanlener@gmail.com>
+Bug-Debian: https://bugs.debian.org/805160
+Forwarded: no
+
+--- a/src/manglerg15.h
++++ b/src/manglerg15.h
+@@ -52,7 +52,7 @@
+         std::vector<Glib::ustring> events;
+ };
+ 
+-const char g15_blank[] = {
++const unsigned char g15_blank[] = {
+     0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+     0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+     0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

media-sound/mangler/mangler-1.2.5-r2.ebuild

@@ -33,7 +33,10 @@ RDEPEND="
 DEPEND="${RDEPEND}"
 BDEPEND="virtual/pkgconfig"
 
-PATCHES=( "${FILESDIR}/mangler-version-info.patch" )
+PATCHES=(
+	"${FILESDIR}/mangler-version-info.patch"
+	"${FILESDIR}/fix_ftbfs_narrowing_conversion.patch"
+)
 
 src_configure() {
 	tc-export CC