Increase SO_MAX to accomodate valgrind

system_server loads up 87 shared libraries upon start. Running under
valgrind pushes this just over the edge of 96. Increase SO_MAX to 128 to
give us some more headroom.

Change-Id: Iadceb14ab6d9621bdccd292570d50867828057d9
diff --git a/linker/linker.c b/linker/linker.c
index c4f54f7..5a9dccf 100644
--- a/linker/linker.c
+++ b/linker/linker.c
@@ -54,7 +54,7 @@
 #include "ba.h"
 
 #define ALLOW_SYMBOLS_FROM_MAIN 1
-#define SO_MAX 96
+#define SO_MAX 128
 
 /* Assume average path length of 64 and max 8 paths */
 #define LDPATH_BUFSIZE 512