bump gdb and mpc versions up a notch
diff --git a/toolvers b/toolvers
index 7c3089b..3846170 100644
--- a/toolvers
+++ b/toolvers
@@ -1,7 +1,7 @@
 GCCVER=4.8.2
 BINVER=2.24
-GDBVER=7.6.1
+GDBVER=7.6.2
 GMPVER=5.1.3
-MPCVER=1.0.1
+MPCVER=1.0.2
 MPFRVER=3.1.2