Merge pull request #377 from aras-p/patch-1

stb_sprintf: seperators -> separators typo in comment

stb_sprintf.h

@@ -59,7 +59,7 @@ int stbsp_vsprintfcb( STBSP_SPRINTFCB * callback, void * user, char * buf, char
   The buffer you pass in must hold at least STB_SPRINTF_MIN characters.
     // you return the next buffer to use or 0 to stop converting
 
-void stbsp_set_seperators( char comma, char period )
+void stbsp_set_separators( char comma, char period )
   Set the comma and period characters to use.
 
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