app: aboot: Changes to avoid warnings during compilation

Changes to solve warnings for enabling Werror flag in LK.

Change-Id: Id589b2d5af1d465dda5cd72202b009c13afff12a
diff --git a/app/aboot/recovery.c b/app/aboot/recovery.c
index 71ee2ef..0c55e9b 100644
--- a/app/aboot/recovery.c
+++ b/app/aboot/recovery.c
@@ -42,6 +42,7 @@
 #include <target.h>
 #include <partition_parser.h>
 #include <mmc.h>
+#include <malloc.h>
 
 #include "recovery.h"
 #include "bootimg.h"
@@ -393,7 +394,7 @@
 	unsigned char data[size];
 	int index = INVALID_PTN;
 
-	index = partition_get_index((unsigned char *) ptn_name);
+	index = partition_get_index((const char *) ptn_name);
 	ptn = partition_get_offset(index);
 	mmc_set_lun(partition_get_lun(index));
 	if(ptn == 0) {
@@ -416,7 +417,7 @@
 	int index = INVALID_PTN;
 
 	size = mmc_get_device_blocksize();
-	index = partition_get_index((unsigned char *) ptn_name);
+	index = partition_get_index((const char *) ptn_name);
 	ptn = partition_get_offset(index);
 	mmc_set_lun(partition_get_lun(index));
 	if(ptn == 0) {