libmp4v2: No longer require a new GCC version

Use -Wno-return-type to silence compiler errors on clang 4.0.

patch function prototype to fix error in prototype with GCC 4.5.3:
error: prototype for 'Void CMotionVector::setToZero(<type error>)'

Successfully tested clang 4.0, GCC 5.4, GCC 4.5.3.

1 files changed, 15 insertions, 0 deletions

diff --git a/multimedia/libmp4v2/patches/patch-common_video_iso-mpeg4_src_type__basic.cpp b/multimedia/libmp4v2/patches/patch-common_video_iso-mpeg4_src_type__basic.cpp
new file mode 100644
index 00000000000..80ebef1b556
--- /dev/null
+++ b/multimedia/libmp4v2/patches/patch-common_video_iso-mpeg4_src_type__basic.cpp
@@ -0,0 +1,15 @@
+$NetBSD: patch-common_video_iso-mpeg4_src_type__basic.cpp,v 1.1 2017/04/26 14:38:31 maya Exp $
+
+Make GCC 4.5 happier about the prototype
+
+--- common/video/iso-mpeg4/src/type_basic.cpp.orig	2006-08-07 18:26:58.000000000 +0000
++++ common/video/iso-mpeg4/src/type_basic.cpp
+@@ -317,7 +317,7 @@ Void CMotionVector::computeMV ()
+ 	iHalfY = m_vctTrueHalfPel.y - iMVY * 2;
+ }
+ 
+-Void CMotionVector::setToZero (Void)
++Void CMotionVector::setToZero ()
+ {
+ 	memset (this, 0, sizeof (*this));
+ }