Merge pull request #1277 from 4144/gccwarnings

Fix some issues found by gcc 6 with -O3.

src/common/strlib.c

@@ -629,6 +629,7 @@ int sv_parse(const char* str, int len, int startoff, char delim, int* out_pos, i
 	svstate.opt = opt;
 	svstate.delim = delim;
 	svstate.done = false;
+	svstate.start = 0;
 
 	// parse
 	count = 0;