Extend buffer to prevent string truncation.

src/stream_cdf_o.c

@@ -1587,7 +1587,7 @@ cdf_def_zaxis_hybrid_cf(stream_t *streamptr, int type, int *ncvaridp, int zaxisI
   }
 
   size_t len = 0;
-  char txt[CDI_MAX_NAME];
+  char txt[CDI_MAX_NAME*2+30];
   if ( p0status == 0 )
     len = (size_t)(sprintf(txt, "%s%s %s%s", "a: a b: b p0: ", p0name, "ps: ", psname));
   else