Added #include "unotest/oustringostreaminserter.hxx" back in (will be needed…

Added #include "unotest/oustringostreaminserter.hxx" back in (will be needed once rtl::OUString::operator sal_Unicode const *() is removed); made tools explicitly depend on unotest.

tools/prj/build.lst

-tl tools : cppu external offapi ZLIB:zlib EXPAT:expat basegfx comphelper i18npool NULL
+tl tools : cppu external offapi ZLIB:zlib EXPAT:expat basegfx comphelper i18npool unotest NULL
 tl tools\prj nmake - all tl_prj NULL
 # tl	tools\qa					nmake	-	all	tl_qa tl_utl NULL

tools/qa/cppunit/test_reversemap.cxx

@@ -42,6 +42,7 @@
 #include <vector>
 
 #include "tools/tenccvt.hxx"
+#include "unotest/oustringostreaminserter.hxx"
 
 //Tests for getBestMSEncodingByChar