omxil: Use the role names video_decoder.wmv1/2

The role name without a suffix, "video_decoder.wmv", is only for
vc1/wmv3/9 (on Samsung Galaxy S III at least). Since certain roles
are substrings of others, require the full string to match when looking
for suitable codecs instead of using strncmp.
Signed-off-by: Martin Storsjö <martin@martin.st>

modules/codec/omxil/omxil.c

@@ -169,7 +169,7 @@ static int CreateComponentsList(decoder_t *p_dec, const char *psz_role)
         for(j = 0; j < roles; j++)
         {
             msg_Dbg(p_dec, "  - role: %s", ppsz_roles[j]);
-            if(!strncmp((char *)ppsz_roles[j], psz_role, len)) b_found = true;
+            if(!strcmp((char *)ppsz_roles[j], psz_role)) b_found = true;
         }
 
         free(ppsz_roles);

modules/codec/omxil/utils.c

@@ -303,8 +303,8 @@ static const struct
     { VLC_CODEC_MP4V, OMX_VIDEO_CodingMPEG4, "video_decoder.mpeg4" },
     { VLC_CODEC_H264, OMX_VIDEO_CodingAVC,   "video_decoder.avc"   },
     { VLC_CODEC_H263, OMX_VIDEO_CodingH263,  "video_decoder.h263"  },
-    { VLC_CODEC_WMV1, OMX_VIDEO_CodingWMV,   "video_decoder.wmv"   },
-    { VLC_CODEC_WMV2, OMX_VIDEO_CodingWMV,   "video_decoder.wmv"   },
+    { VLC_CODEC_WMV1, OMX_VIDEO_CodingWMV,   "video_decoder.wmv1"  },
+    { VLC_CODEC_WMV2, OMX_VIDEO_CodingWMV,   "video_decoder.wmv2"  },
     { VLC_CODEC_WMV3, OMX_VIDEO_CodingWMV,   "video_decoder.wmv"   },
     { VLC_CODEC_VC1,  OMX_VIDEO_CodingWMV,   "video_decoder.wmv"   },
     { VLC_CODEC_MJPG, OMX_VIDEO_CodingMJPEG, "video_decoder.jpeg"  },