SF patch 517245 by Marc Recht.

Support GMP version >= 2.

Bugfix candidate.
diff --git a/Misc/ACKS b/Misc/ACKS
index 51780d8..28157a4 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -355,6 +355,7 @@
 Burton Radons
 Eric Raymond
 Edward K. Ream
+Marc Recht
 John Redford
 Terry Reedy
 Ofir Reichenberg
diff --git a/Modules/mpzmodule.c b/Modules/mpzmodule.c
index c4e2993..e2d34b6 100644
--- a/Modules/mpzmodule.c
+++ b/Modules/mpzmodule.c
@@ -62,7 +62,7 @@
 
 #include "gmp.h"
 
-#if __GNU_MP__ + 0 == 2
+#if __GNU_MP__ + 0 >= 2
 #define GMP2
 #define BITS_PER_MP_LIMB mp_bits_per_limb
 #else