Fixed 0007033: Port: wrong strpos function call.
Fixed 0007034: Port: bug in string_sanitize_url().

git-svn-id: http://mantisbt.svn.sourceforge.net/svnroot/mantisbt/branches/BRANCH_1_0_0@4080 <a class="text" href="/?p=mantisbt.git;a=object;h=f5dc347c">f5dc347c</a>-c33d-0410-90a0-b07cc1902cb9