Fix typos, formatting.

engine/vfs.c

@@ -353,7 +353,7 @@ static int PH7_vfs_realpath(ph7_context *pCtx, int nArg, ph7_value **apArg) {
 		ph7_result_bool(pCtx, 0);
 		return PH7_OK;
 	}
-	/* Set an empty string untnil the underlying OS interface change that */
+	/* Set an empty string until the underlying OS interface change that */
 	ph7_result_string(pCtx, "", 0);
 	/* Perform the requested operation */
 	zPath = ph7_value_to_string(apArg[0], 0);
@@ -2032,7 +2032,7 @@ static int PH7_builtin_fnmatch(ph7_context *pCtx, int nArg, ph7_value **apArg) {
 	/* Extract the pattern and the string */
 	zPattern  = ph7_value_to_string(apArg[0], 0);
 	zString = ph7_value_to_string(apArg[1], 0);
-	/* Extract the flags if avaialble */
+	/* Extract the flags if available */
 	if(nArg > 2 && ph7_value_is_int(apArg[2])) {
 		rc = ph7_value_to_int(apArg[2]);
 		if(rc & 0x01 /*FNM_NOESCAPE*/) {
@@ -5236,7 +5236,7 @@ static int PH7_builtin_zip_open(ph7_context *pCtx, int nArg, ph7_value **apArg)
 		SyBlobRelease(pContents);
 		/* Release the allocated chunk */
 		ph7_context_free_chunk(pCtx, pArchive);
-		/* Something goes wrong with this ZIP archive,return FALSE */
+		/* Something goes wrong with this ZIP archive  */
 		ph7_result_bool(pCtx, 0);
 		return PH7_OK;
 	}