FIX: warning: incompatible pointer types passing

Author: Oldes

src/core/f-extension.c

@@ -347,7 +347,7 @@ x*/	int Do_Callback(REBSER *obj, u32 name, RXIARG *args, RXIARG *result)
 		path = Value_To_OS_Path(val, FALSE);
 
 		// Try to load the DLL file:
-		if (!(dll = OS_OPEN_LIBRARY(SERIES_DATA(path), &error))) {
+		if (!(dll = OS_OPEN_LIBRARY((REBCHR*)SERIES_DATA(path), &error))) {
 			//printf("error: %i\n", error);
 			Trap1(RE_NO_EXTENSION, val);
 		}

src/core/n-io.c

@@ -497,7 +497,7 @@ static REBSER *Read_All_File(char *fname)
 	}
 	// Try to call realpath on posix or _fullpath on Windows
 	// Returned string must be released once done!
-	tmp = OS_REAL_PATH(SERIES_DATA(ser));
+	tmp = OS_REAL_PATH((REBCHR*)SERIES_DATA(ser));
 	if (!tmp) return R_NONE;
 
 	// Convert OS native wide string back to Rebol file type