contrib: fix libmpeg2 patch

Disable the ARM pld instruction only on architecture versions that
don't support it.

Thanks to Kirill A. Shutemov!

extras/contrib/src/Makefile

@@ -565,9 +565,7 @@ libmpeg2-$(LIBMPEG2_VERSION).tar.gz:
 
 libmpeg2: libmpeg2-$(LIBMPEG2_VERSION).tar.gz
 	$(EXTRACT_GZ)
-ifdef HAVE_WINCE
 	patch -p0 < Patches/libmpeg2-arm-pld.patch
-endif
 	cd libmpeg2 && patch -p0 < ../Patches/libmpeg2-mc-neon.patch
 	cd libmpeg2 && ./bootstrap
 

extras/contrib/src/Patches/libmpeg2-arm-pld.patch

 diff -urNp libmpeg2.orig/libmpeg2/motion_comp_arm_s.S libmpeg2/libmpeg2/motion_comp_arm_s.S
 --- libmpeg2.orig/libmpeg2/motion_comp_arm_s.S	2008-07-09 21:16:05.000000000 +0200
-+++ libmpeg2/libmpeg2/motion_comp_arm_s.S	2009-11-13 23:09:46.000000000 +0100
-@@ -21,6 +21,9 @@
++++ libmpeg2/libmpeg2/motion_comp_arm_s.S	2009-11-20 19:55:22.000000000 +0100
+@@ -19,6 +19,16 @@
+ @ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  
- 	.text
  
++@ Data preload is supported only by ARM V5TE and above
++
++#if (defined (__ARM_ARCH_2__) || defined (__ARM_ARCH_3__) \
++     || defined (__ARM_ARCH_3M__) || defined (__ARM_ARCH_4__) \
++     || defined (__ARM_ARCH_4T__) || defined (__ARM_ARCH_5__) \
++     || defined (__ARM_ARCH_5T__))
 +.macro pld reg
 +.endm
++#endif
 +
+ 	.text
+ 
  @ ----------------------------------------------------------------
- 	.align
- 	.global MC_put_o_16_arm