gitweb.js: fix padLeftStr() and its usage

It seems that in Firefox-3.5 inserting   with javascript inserts the
literal   instead of a space. Fix this by inserting the unicode
representation for   instead.

Also fix the off-by-one error in the padding calculation that was
causing one less space to be inserted than was requested by the caller.

Signed-off-by: Stephen Boyd <bebarino@gmail.com>
Cc: Jakub Narebski <jnareb@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

gitweb/gitweb.js

@@ -64,19 +64,19 @@ function fixLinks() {
 
 /**
  * pad number N with nonbreakable spaces on the left, to WIDTH characters
- * example: padLeftStr(12, 3, ' ') == ' 12'
- *          (' ' is nonbreakable space)
+ * example: padLeftStr(12, 3, '\u00A0') == '\u00A012'
+ *          ('\u00A0' is nonbreakable space)
  *
  * @param {Number|String} input: number to pad
  * @param {Number} width: visible width of output
- * @param {String} str: string to prefix to string, e.g. ' '
+ * @param {String} str: string to prefix to string, e.g. '\u00A0'
  * @returns {String} INPUT prefixed with (WIDTH - INPUT.length) x STR
  */
 function padLeftStr(input, width, str) {
 	var prefix = '';
 
 	width -= input.toString().length;
-	while (width > 1) {
+	while (width > 0) {
 		prefix += str;
 		width--;
 	}
@@ -192,7 +192,7 @@ function updateProgressInfo() {
 
 	if (div_progress_info) {
 		div_progress_info.firstChild.data  = blamedLines + ' / ' + totalLines +
-			' (' + padLeftStr(percentage, 3, ' ') + '%)';
+			' (' + padLeftStr(percentage, 3, '\u00A0') + '%)';
 	}
 
 	if (div_progress_bar) {