python3: use proper PYTHON3_VERSION_MAJOR instead of harcoding 3.3

Some parts of python3.mk were hardcoding the 3.3 version as the major
version, which does not work for Python 3.4 and other future
versions. Instead, use the existing PYTHON3_VERSION_MAJOR.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/python3/python3.mk

@@ -127,7 +127,7 @@ PYTHON3_MAKE_ENV = \
 # trouble for cross compilation
 define PYTHON3_FIXUP_LIBDIR
 	$(SED) 's|^LIBDIR=.*|LIBDIR= $(STAGING_DIR)/usr/lib|' \
-	   $(STAGING_DIR)/usr/lib/python$(PYTHON3_VERSION_MAJOR)/config-3.3m/Makefile
+	   $(STAGING_DIR)/usr/lib/python$(PYTHON3_VERSION_MAJOR)/config-$(PYTHON3_VERSION_MAJOR)m/Makefile
 endef
 
 PYTHON3_POST_INSTALL_STAGING_HOOKS += PYTHON3_FIXUP_LIBDIR
@@ -141,7 +141,7 @@ define PYTHON3_REMOVE_USELESS_FILES
 	rm -f $(TARGET_DIR)/usr/bin/python$(PYTHON3_VERSION_MAJOR)m-config
 	rm -f $(TARGET_DIR)/usr/bin/python3-config
 	rm -f $(TARGET_DIR)/usr/bin/smtpd.py.3
-	for i in `find $(TARGET_DIR)/usr/lib/python$(PYTHON3_VERSION_MAJOR)/config-3.3m/ \
+	for i in `find $(TARGET_DIR)/usr/lib/python$(PYTHON3_VERSION_MAJOR)/config-$(PYTHON3_VERSION_MAJOR)m/ \
 		-type f -not -name pyconfig.h -a -not -name Makefile` ; do \
 		rm -f $$i ; \
 	done