Enable -fno-strict-aliasing for all compilers in classic build

This is already the case in the CMake build, enabling the same on
classic makes the behavior more uniform across build types.

bindings/pyroot/Module.mk

@@ -138,9 +138,7 @@ distclean::     distclean-$(MODNAME)
 
 ##### extra rules ######
 $(PYROOTO): CXXFLAGS += $(PYTHONINCDIR:%=-I%)
-ifeq ($(GCC_MAJOR),4)
 $(PYROOTO): CXXFLAGS += -fno-strict-aliasing
-endif
 ifneq ($(CLANG_MAJOR)$(GCC_MAJOR),)
 # Building with clang or GCC
 $(PYROOTO) $(PYROOTDO): CXXFLAGS += -Wno-error=format