Bug 673499 - remove some trailing whitespace from js/src. r=jorendorff

js/src/ETWProvider.man

js/src/Makefile.in

js/src/MemoryMetrics.cpp

js/src/README.html

js/src/aclocal.m4

js/src/builtin/RegExp.h

js/src/configure.in

js/src/frontend/BytecodeEmitter.h

js/src/frontend/ParseNode.cpp

js/src/frontend/SemanticAnalysis.cpp

js/src/frontend/TreeContext.h

js/src/javascript-trace.d

js/src/js-config.in

js/src/jsanalyze.cpp

js/src/jsanalyze.h

js/src/jsapi-tests/testAddPropertyPropcache.cpp

js/src/jsapi-tests/testCloneScript.cpp

js/src/jsapi-tests/testDebugger.cpp

js/src/jsapi-tests/testResolveRecursion.cpp

js/src/jsapi-tests/testSlowScript.cpp