ANSIfy as many declarations as possible.
diff --git a/Python/dynload_aix.c b/Python/dynload_aix.c
index 6a22988..013e8f8 100644
--- a/Python/dynload_aix.c
+++ b/Python/dynload_aix.c
@@ -28,7 +28,7 @@
 #endif
 
 
-extern char *Py_GetProgramName();
+extern char *Py_GetProgramName(void);
 
 typedef struct Module {
 	struct Module *next;