Fix bug 86093 - Tab chars in html source show up as "[]" (square) in Error Console

(replace all whitespace characters with spaces)
p=Simon Bunzli <zeniko@gmail.com>
r=gavin, sr=neil

toolkit/components/console/content/consoleBindings.xml

@@ -174,7 +174,7 @@
             row.setAttribute("hideSource", "true");
           }
           if (aObject.sourceLine) {
-            row.setAttribute("code", aObject.sourceLine.replace("\n", "", "g"));
+            row.setAttribute("code", aObject.sourceLine.replace(/\s/g, " "));
             if (aObject.columnNumber) {
               row.setAttribute("col", aObject.columnNumber);
               row.setAttribute("errorDots", this.repeatChar(" ", aObject.columnNumber));

xpfe/components/console/resources/content/consoleBindings.xml

@@ -180,7 +180,7 @@
             row.setAttribute("hideSource", "true");
           }
           if (aObject.sourceLine) {
-            row.setAttribute("code", aObject.sourceLine.replace("\n", "", "g"));
+            row.setAttribute("code", aObject.sourceLine.replace(/\s/g, " "));
             if (aObject.columnNumber) {
               row.setAttribute("col", aObject.columnNumber);
               row.setAttribute("errorDots", this.repeatChar(" ", aObject.columnNumber));