* src/cppunit/CompilerOutputter.cpp:
* src/cppunit/ProtectorChain.cpp:
* src/cppunit/StringTools.cpp:
* src/cppunit/TestPath.cpp:
* src/cppunit/TypeInfoHelper.cpp:
* src/cppunit/XmlElement.cpp:
* src/cppunit/XmlOutputter.cpp: switched to using unsigned index in loop to
avoid signed/unsigned warning in vc7.
