Increase the Retouch buffer size.

New WebKit merge built with JSC javascript engine triggers the
overflow.

Change-Id: I71a9bbc9b27c9a0e7f3680f20be2696f61c3b266
diff --git a/tools/soslim/main.c b/tools/soslim/main.c
index e23fbce..affc2bc 100644
--- a/tools/soslim/main.c
+++ b/tools/soslim/main.c
@@ -191,7 +191,7 @@
         int prelinked = 0, retouched = 0;
         int elf_little; /* valid if prelinked != 0 */
         long prelink_addr; /* valid if prelinked != 0 */
-#define RETOUCH_MAX_SIZE 500000
+#define RETOUCH_MAX_SIZE 550000
         /* _cnt valid if retouched != 0 */
         unsigned int retouch_byte_cnt = RETOUCH_MAX_SIZE;
         char retouch_buf[RETOUCH_MAX_SIZE]; /* valid if retouched != 0 */