fix 308321 testsuite memcheck filter interferes with gdb_filter

Patch from Mark Wielaard.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13043 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/NEWS b/NEWS
index 81d0031..0271eca 100644
--- a/NEWS
+++ b/NEWS
@@ -32,6 +32,7 @@
 305948    [390] ppc64: code generation for ShlD64 / ShrD64 asserts
 306054    [390] s390x: Condition code computation for convert-to-int/logical
 307155    [390] filter_gdb should filter out syscall-template.S T_PSEUDO
+308321    [390] testsuite memcheck filter interferes with gdb_filter 
 n-i-bz    [390] report error for vgdb snapshot requested before execution
 n-i-bz    [390] Some wrong command line options could be ignored