fixed two doxygen warnings

libdispatch/derror.c

@@ -12,13 +12,13 @@ Research/Unidata. See COPYRIGHT file for more info.
 #include <pnetcdf.h>  /* for ncmpi_strerror() */
 #endif
 
-/* Tell the user the version of netCDF. */
+/** The version string for the library, used by nc_inq_libvers(). */
 static const char nc_libvers[] = PACKAGE_VERSION " of "__DATE__" "__TIME__" $";
 
 /**
-  Return the library version.
+Return the library version.
 
-  \returns short string that contains the version information for the
+\returns short string that contains the version information for the
 library.
  */
 const char *

libdispatch/dfile.c

@@ -2166,6 +2166,15 @@ done:
     return status;
 }
 
+/** 
+ * Close the file opened to check for magic number. 
+ * 
+ * @param file pointer to the MagicFile struct for this open file.
+ * @returns NC_NOERR for success
+ * @returns NC_EPARINIT if there was a problem closing file with MPI
+ * (parallel builds only).
+ * @author Dennis Heimbigner
+ */
 static int
 closemagic(struct MagicFile* file)
 {