removed unused variable, fixed return type of streamCloseNCMem

src/cdi.h

@@ -355,7 +355,7 @@ int     cdiGetProtocol(const char *uri, const char **filename);
 
 int     streamOpenReadNCMem(int ncid);
 int     streamOpenWriteNCMem(int ncid);
-int     streamCloseNCMem(int ncid);
+void    streamCloseNCMem(int ncid);
 
 //      streamOpenRead: Open a dataset for reading
 int     streamOpenRead(const char *path);

src/stream.c

@@ -2045,7 +2045,6 @@ void
 freePtrAfterNCMem(stream_t *streamptr, int recordBufIsToBeDeleted)
 {
   int fileID = streamptr->fileID;
-  int filetype = streamptr->filetype;
 
   if (fileID == CDI_UNDEFID)
     {
@@ -2069,7 +2068,7 @@ freePtrAfterNCMem(stream_t *streamptr, int recordBufIsToBeDeleted)
 }
 
 
-int
+void
 streamCloseNCMem(int streamID)
 {
   stream_t *streamptr = stream_to_pointer(streamID);