- remove cygwin build warnings in at91sam3.c

git-svn-id: svn://svn.berlios.de/openocd/trunk@2434 b42882b7-edfa-0310-969c-e2dbd0fdcd60

src/flash/at91sam3.c

@@ -1308,9 +1308,9 @@ sam3_explain_ckgr_plla(struct sam3_chip *pChip)
 static void
 sam3_explain_mckr(struct sam3_chip *pChip)
 {
-	uint32_t css, pres,fin;
-	int pdiv;
-	const char *cp;
+	uint32_t css, pres, fin = 0;
+	int pdiv = 0;
+	const char *cp = NULL;
 
 	css = sam3_reg_fieldname(pChip, "CSS", pChip->cfg.PMC_MCKR, 0, 2);
 	switch (css & 3) {