[toolvers] bump gcc to 4.9.2 and gdb to 7.8.1
diff --git a/toolvers b/toolvers
index 07bd358..e5d11cc 100644
--- a/toolvers
+++ b/toolvers
@@ -1,6 +1,6 @@
-GCCVER=4.9.1
+GCCVER=4.9.2
 BINVER=2.24
-GDBVER=7.8
+GDBVER=7.8.1
 GMPVER=5.1.3
 MPCVER=1.0.2
 MPFRVER=3.1.2