widl: Don't generate indentation spaces on empty lines.

tools/widl/client.c

@@ -50,8 +50,9 @@ static int print_client( const char *format, ... )
     int i, r;
 
     va_start(va, format);
-    for (i = 0; i < indent; i++)
-        fprintf(client, "    ");
+    if (format[0] != '\n')
+        for (i = 0; i < indent; i++)
+            fprintf(client, "    ");
     r = vfprintf(client, format, va);
     va_end(va);
     return r;

tools/widl/proxy.c

@@ -56,8 +56,9 @@ static int print_proxy( const char *format, ... )
   int i, r;
 
   va_start( va, format );
-  for( i=0; i<indent; i++ )
-    fprintf( proxy, "    " );
+  if ( format[0] != '\n' )
+    for( i=0; i<indent; i++ )
+      fprintf( proxy, "    " );
   r = vfprintf( proxy, format, va );
   va_end( va );
   return r;

tools/widl/server.c

@@ -52,8 +52,9 @@ static int print_server(const char *format, ...)
     int i, r;
 
     va_start(va, format);
-    for (i = 0; i < indent; i++)
-        fprintf(server, "    ");
+    if (format[0] != '\n')
+        for (i = 0; i < indent; i++)
+            fprintf(server, "    ");
     r = vfprintf(server, format, va);
     va_end(va);
     return r;