[svn-r16024] For scalar string datasets print the character position when a difference is found instead of a non-existing array position

Tested: windows

tools/lib/h5diff_util.c

@@ -103,16 +103,24 @@ void
 print_dimensions (int rank, hsize_t *dims)
 {
     int  i;
-        
-    parallel_print("[" );
-    for ( i = 0; i < rank-1; i++)
+
+    if ( rank > 0 )
     {
-        parallel_print(HSIZE_T_FORMAT, dims[i]);
-        parallel_print("x");
+        
+        parallel_print("[" );
+        for ( i = 0; i < rank-1; i++)
+        {
+            parallel_print(HSIZE_T_FORMAT, dims[i]);
+            parallel_print("x");
+        }
+        
+        parallel_print(HSIZE_T_FORMAT,  dims[rank-1]);
+        parallel_print("]" );
+    }
+    else
+    {
+        parallel_print("H5S_SCALAR" );
     }
-    
-    parallel_print(HSIZE_T_FORMAT,  dims[rank-1]);
-    parallel_print("]" );
 
 }