Update libvpx snapshot to v0.9.7-p1 (Cayuga).

source/config/win/ia32/vpx_config.h

 /* This file automatically generated by configure. Do not edit! */
+#ifndef VPX_CONFIG_H
+#define VPX_CONFIG_H
 #define RESTRICT    
 #define ARCH_ARM 0
 #define ARCH_MIPS 0
 #define ARCH_X86 1
 #define ARCH_X86_64 0
 #define ARCH_PPC32 0
 #define ARCH_PPC64 0
 #define HAVE_ARMV5TE 0
 #define HAVE_ARMV6 0
 #define HAVE_ARMV7 0
 #define HAVE_IWMMXT 0
 #define HAVE_IWMMXT2 0
 #define HAVE_MIPS32 0
 #define HAVE_MMX 1
 #define HAVE_SSE 1
 #define HAVE_SSE2 1
 #define HAVE_SSE3 1
 #define HAVE_SSSE3 1
 #define HAVE_SSE4_1 1
 #define HAVE_ALTIVEC 0
 #define HAVE_VPX_PORTS 1
 #define HAVE_STDINT_H 1
 #define HAVE_ALT_TREE_LAYOUT 0
 #define HAVE_PTHREAD_H 1
 #define HAVE_SYS_MMAN_H 0
+#define HAVE_UNISTD_H 1
 #define CONFIG_EXTERNAL_BUILD 0
 #define CONFIG_INSTALL_DOCS 0
 #define CONFIG_INSTALL_BINS 1
 #define CONFIG_INSTALL_LIBS 1
 #define CONFIG_INSTALL_SRCS 0
 #define CONFIG_DEBUG 0
 #define CONFIG_GPROF 0
 #define CONFIG_GCOV 0
 #define CONFIG_RVCT 0
 #define CONFIG_GCC 1
 #define CONFIG_MSVS 0
 #define CONFIG_PIC 0
 #define CONFIG_BIG_ENDIAN 0
 #define CONFIG_CODEC_SRCS 0
 #define CONFIG_DEBUG_LIBS 0
 #define CONFIG_FAST_UNALIGNED 1
 #define CONFIG_MEM_MANAGER 0
 #define CONFIG_MEM_TRACKER 0
 #define CONFIG_MEM_CHECKS 0
 #define CONFIG_MD5 1
 #define CONFIG_DEQUANT_TOKENS 0
 #define CONFIG_DC_RECON 0
 #define CONFIG_RUNTIME_CPU_DETECT 1
 #define CONFIG_POSTPROC 0
 #define CONFIG_MULTITHREAD 1
-#define CONFIG_PSNR 0
+#define CONFIG_INTERNAL_STATS 0
 #define CONFIG_VP8_ENCODER 1
 #define CONFIG_VP8_DECODER 1
 #define CONFIG_VP8 1
 #define CONFIG_ENCODERS 1
 #define CONFIG_DECODERS 1
 #define CONFIG_STATIC_MSVCRT 0
 #define CONFIG_SPATIAL_RESAMPLING 1
-#define CONFIG_REALTIME_ONLY 1
+#define CONFIG_REALTIME_ONLY 0
+#define CONFIG_ERROR_CONCEALMENT 0
 #define CONFIG_SHARED 0
+#define CONFIG_STATIC 1
 #define CONFIG_SMALL 0
 #define CONFIG_POSTPROC_VISUALIZER 0
 #define CONFIG_OS_SUPPORT 1
+#endif /* VPX_CONFIG_H */