ICU_UCHAR_TYPE is not needed for C++11 projects

Change-Id: I089af1a67044ab9cfd767e767a15d1a66014ce2f
Reviewed-on: https://gerrit.libreoffice.org/44178Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: David Tardon <dtardon@redhat.com>

external/libcdr/ExternalProject_libcdr.mk

@@ -37,7 +37,7 @@ $(call gb_ExternalProject_get_state_target,libcdr,build) :
 			--disable-weffc \
 			$(if $(verbose),--disable-silent-rules,--enable-silent-rules) \
 			CXXFLAGS="$(gb_CXXFLAGS) $(if $(ENABLE_OPTIMIZED),$(gb_COMPILEROPTFLAGS),$(gb_COMPILERNOOPTFLAGS))" \
-			CPPFLAGS="$(CPPFLAGS) $(ICU_UCHAR_TYPE) $(BOOST_CPPFLAGS)" \
+			CPPFLAGS="$(CPPFLAGS) $(BOOST_CPPFLAGS)" \
 			$(if $(CROSS_COMPILING),--build=$(BUILD_PLATFORM) --host=$(HOST_PLATFORM)) \
 		&& $(MAKE) \
 	)

external/libfreehand/ExternalProject_libfreehand.mk

@@ -38,7 +38,7 @@ $(call gb_ExternalProject_get_state_target,libfreehand,build) :
 			--disable-weffc \
 			$(if $(verbose),--disable-silent-rules,--enable-silent-rules) \
 			CXXFLAGS="$(gb_CXXFLAGS) $(if $(ENABLE_OPTIMIZED),$(gb_COMPILEROPTFLAGS),$(gb_COMPILERNOOPTFLAGS))" \
-			CPPFLAGS="$(CPPFLAGS) $(BOOST_CPPFLAGS) $(ICU_UCHAR_TYPE)" \
+			CPPFLAGS="$(CPPFLAGS) $(BOOST_CPPFLAGS)" \
 			$(if $(CROSS_COMPILING),--build=$(BUILD_PLATFORM) --host=$(HOST_PLATFORM)) \
 		&& $(MAKE) \
 	)

external/libvisio/ExternalProject_libvisio.mk

@@ -36,7 +36,7 @@ $(call gb_ExternalProject_get_state_target,libvisio,build) :
 			--disable-werror \
 			$(if $(verbose),--disable-silent-rules,--enable-silent-rules) \
 			CXXFLAGS="$(gb_CXXFLAGS) $(if $(ENABLE_OPTIMIZED),$(gb_COMPILEROPTFLAGS),$(gb_COMPILERNOOPTFLAGS))" \
-			CPPFLAGS="$(CPPFLAGS) $(ICU_UCHAR_TYPE) $(BOOST_CPPFLAGS)" \
+			CPPFLAGS="$(CPPFLAGS) $(BOOST_CPPFLAGS)" \
 			$(if $(CROSS_COMPILING),--build=$(BUILD_PLATFORM) --host=$(HOST_PLATFORM)) \
 		&& $(MAKE) \
 	)