ZSTD_execSequence() accepts match in last 7 bytes

The zstd reference compressor will not emit a match in the last 7
bytes of a block.  The decompressor will also not accept a match
in the last 7 bytes.  This patch makes the decompressor accept a
match in the last 7 bytes.

lib/common/zstd_internal.h

@@ -31,6 +31,16 @@
 #  endif /* __STDC_VERSION__ */
 #endif
 
+#ifdef _MSC_VER
+#  define FORCE_NOINLINE static __declspec(noinline)
+#else
+#  ifdef __GNUC__
+#    define FORCE_NOINLINE static __attribute__((__noinline__))
+#  else
+#    define FORCE_NOINLINE static
+#  endif
+#endif
+
 
 /*-*************************************
 *  Dependencies