gst-ffmpeg: fix armv6l build

srcpkgs/gst-ffmpeg/patches/ffmpeg.git-9a83adaf346bc5e38183427b2bd11084c11d1c8b.patch

@@ -0,0 +1,22 @@
+This is equivalent to
+http://git.videolan.org/?p=ffmpeg.git;a=patch;h=9a83adaf346bc5e38183427b2bd11084c11d1c8b
+
+--- gst-libs/ext/libav/libavcodec/arm/ac3dsp_armv6.S	2011-11-02 16:16:24.000000000 +0100
++++ gst-libs/ext/libav/libavcodec/arm/ac3dsp_armv6.S	2015-07-11 19:49:51.024078695 +0200
+@@ -37,14 +37,14 @@
+         ldrb            r10, [r4], #1
+ 1:
+         ldrsh           r9,  [r0], #2                   @ mask[band]
+-        movw            r8,  #0x1fe0
++        mov             r8,  #0xff0
+         sub             r9,  r9,  r12                   @   - snr_offset
+         mov             r11, r10
+         ldrb            r10, [r4], #1                   @ band_start_tab[band++]
+         subs            r9,  r9,  r5                    @   - floor
+         movlt           r9,  #0
+         cmp             r10, r3                         @   - end
+-        and             r9,  r9,  r8                    @   & 0x1fe0
++        and             r9,  r9,  r8, lsl #1            @   & 0x1fe0
+         subgt           r8,  r3,  r11
+         suble           r8,  r10, r11
+         add             r9,  r9,  r5                    @   + floor => m

srcpkgs/gst-ffmpeg/template

@@ -1,7 +1,7 @@
 # Template file for 'gst-ffmpeg'
 pkgname=gst-ffmpeg
 version=0.10.13
-revision=5
+revision=6
 lib32disabled=yes
 build_style=gnu-configure
 configure_args="--with-ffmpeg-extra-configure=--enable-runtime-cpudetect"