Suppress g++ bool use warnings

test/Jamfile.v2

@@ -16,6 +16,8 @@ project : requirements
    # set warnings as errors for those compilers we know we get warning free:
    <toolset>gcc:<cxxflags>-Wextra
    <toolset>gcc:<cxxflags>-Wno-uninitialized
+   <toolset>gcc:<cxxflags>-Wno-int-in-bool-context
+   <toolset>gcc:<cxxflags>-Wno-bool-operation
    <toolset>gcc:<warnings-as-errors>on
    <toolset>intel:<warnings-as-errors>on
    <toolset>sun:<warnings-as-errors>on