Suppress new valgrind complaint

tools/valgrind.supp

 # Pass this file to Valgrind with "--suppressions=tests/valgrind.supp"
 
 {
     FcConfig
     Memcheck:Addr4
     fun:FcConfigFileExists
 }
 {
     FcFontSetCreate_Leak
     Memcheck:Leak
@@ skipping 75 matching lines @@
     Memcheck:Overlap
     fun:strcpy
     obj:/usr/lib/x86_64-linux-gnu/dri/fglrx_dri.so
 }
 {
     driver_bug_9
     Memcheck:Leak
     fun:calloc
     obj:/usr/lib/x86_64-linux-gnu/dri/fglrx_dri.so
 }
+{
+    driver_bug_10
+    Memcheck:Leak
+    fun:malloc
+    obj:/usr/lib/fglrx/fglrx-libGL.so.1.2
+}
 # the gpu_issue_* suppressions suppress issues that cannot be reproduced
 # locally. 
 {
     gpu_issue_1
     Memcheck:Addr2
     fun:_ZNK5GrGpu18getQuadIndexBufferEv
 }
 {
     gpu_issue_2
     Memcheck:Addr2
@@ skipping 38 matching lines @@
 {
     gpu_issue_10
     Memcheck:Addr4
     fun:_ZN22GrAAConvexPathRenderer10onDrawPathERK6SkPathRK11SkStrokeRecP12GrDrawTargetb
 }
 {
     gpu_issue_11
     Memcheck:Addr2
     fun:_ZN22GrAAConvexPathRenderer10onDrawPathERK6SkPathRK11SkStrokeRecP12GrDrawTargetb
 }