Buffer audit. Resize a few.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14824 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/coregrind/m_gdbserver/target.c b/coregrind/m_gdbserver/target.c
index e248228..4a738d2 100644
--- a/coregrind/m_gdbserver/target.c
+++ b/coregrind/m_gdbserver/target.c
@@ -43,7 +43,7 @@
 static
 char *image_ptid(unsigned long ptid)
 {
-  static char result[100];
+  static char result[50];    // large enough
   VG_(sprintf) (result, "id %ld", ptid);
   return result;
 }