36809: got the space wrong in the previous checkin. r=BenB

htmlparser/src/nsHTMLToTXTSinkStream.cpp

@@ -1001,7 +1001,7 @@ nsHTMLToTXTSinkStream::AddLeaf(const nsIParserNode& aNode)
         temp.AppendWithConversion(" ["); // Should we output chars at all here?
         desc.StripChars("\"");
         temp += desc;
-        temp.AppendWithConversion("]");
+        temp.AppendWithConversion("] ");
       }
       // If the alt attribute has an empty value (|alt=""|), output nothing
     }

parser/htmlparser/src/nsHTMLToTXTSinkStream.cpp

@@ -1001,7 +1001,7 @@ nsHTMLToTXTSinkStream::AddLeaf(const nsIParserNode& aNode)
         temp.AppendWithConversion(" ["); // Should we output chars at all here?
         desc.StripChars("\"");
         temp += desc;
-        temp.AppendWithConversion("]");
+        temp.AppendWithConversion("] ");
       }
       // If the alt attribute has an empty value (|alt=""|), output nothing
     }