Fixed a warning in _codecs_iso2022.c and some non C89 conform // comments.

Modules/_ctypes/libffi/src/x86/ffi.c

@@ -256,7 +256,7 @@ ffi_closure_SYSV_inner (closure, respp, args)
      void **respp;
      void *args;
 {
-  // our various things...
+  /* our various things... */
   ffi_cif       *cif;
   void         **arg_area;
 

Modules/bsddb.h

@@ -232,7 +232,7 @@ typedef struct {
 #define DBSequenceObject_Check(v)  ((v)->ob_type == bsddb_api->dbsequence_type)
 #endif
 
-#endif // COMPILING_BSDDB_C
+#endif /* COMPILING_BSDDB_C */
 
 
-#endif // _BSDDB_H_
+#endif /* _BSDDB_H_ */

Modules/cjkcodecs/_codecs_iso2022.c

@@ -203,7 +203,7 @@ ENCODER(iso2022)
 				} else
 					encoded = dsg->encoder(&c, &length);
 #else
-				encoded = dsg->encoder(*inbuf, &length);
+				encoded = dsg->encoder(&c, &length);
 #endif
 				if (encoded != MAP_UNMAPPABLE) {
 					insize = length;