Supply missing prototypes for new Py_{Get,Set}RecursionLimit; fixes compiler wngs;
un-analize Get's definition ("void" is needed only in declarations, not defns, &
is generally considered bad style in the latter).
diff --git a/Include/ceval.h b/Include/ceval.h
index 094ebb1..b20d775 100644
--- a/Include/ceval.h
+++ b/Include/ceval.h
@@ -43,6 +43,8 @@
 DL_IMPORT(int) Py_AddPendingCall(int (*func)(void *), void *arg);
 DL_IMPORT(int) Py_MakePendingCalls(void);
 
+DL_IMPORT(void) Py_SetRecursionLimit(int);
+DL_IMPORT(int) Py_GetRecursionLimit(void);
 
 /* Interface for threads.