Fix typo in diagnostic message

src/stream_ext.c

@@ -411,7 +411,7 @@ int extScanTimestep2(stream_t *streamptr)
 
   tsID = streamptr->rtsteps;
   if ( tsID != 1 )
-    Error("Internal problem! unexpeceted timestep %d", tsID+1);
+    Error("Internal problem! unexpected timestep %d", tsID+1);
 
   taxis = &streamptr->tsteps[tsID].taxis;
 

src/stream_gribapi.c

@@ -1511,7 +1511,7 @@ int gribapiScanTimestep2(stream_t * streamptr)
 
   tsID = streamptr->rtsteps;
   if ( tsID != 1 )
-    Error("Internal problem! unexpeceted timestep %d", tsID+1);
+    Error("Internal problem! unexpected timestep %d", tsID+1);
 
   taxis = &streamptr->tsteps[tsID].taxis;
 

src/stream_ieg.c

@@ -997,7 +997,7 @@ int iegScanTimestep2(stream_t *streamptr)
 
   tsID = streamptr->rtsteps;
   if ( tsID != 1 )
-    Error("Internal problem! unexpeceted timestep %d", tsID+1);
+    Error("Internal problem! unexpected timestep %d", tsID+1);
 
   taxis = &streamptr->tsteps[tsID].taxis;
 

src/stream_srv.c

@@ -418,7 +418,7 @@ int srvScanTimestep2(stream_t *streamptr)
 
   tsID = streamptr->rtsteps;
   if ( tsID != 1 )
-    Error("Internal problem! unexpeceted timestep %d", tsID+1);
+    Error("Internal problem! unexpected timestep %d", tsID+1);
 
   taxis = &streamptr->tsteps[tsID].taxis;