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).

Include/ceval.h

@@ -43,6 +43,8 @@ DL_IMPORT(int) Py_FlushLine(void);
 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.
 

Python/ceval.c

@@ -302,7 +302,7 @@ Py_MakePendingCalls(void)
 
 static int recursion_limit = 2500;
 
-int Py_GetRecursionLimit(void)
+int Py_GetRecursionLimit()
 {
 	return recursion_limit;
 }