pkg/libfixmath: printf format fixes for unittests

pkg/libfixmath/Makefile

@@ -28,8 +28,8 @@ $(BINDIR)$(PKG_NAME)-src/Makefile: $(CHECKOUT_FOLDER)/svn_info.xml
 	$(AD)cp $(CHECKOUT_FOLDER)/libfixmath/*.[ch] $(@D)
 	$(AD)rm -f $(BINDIR)$(PKG_NAME)-src/fix16.h
 
-	cd $(@D) && sed -i -e 's/1 <</(uint32_t) 1 <</g' uint32.c
-	cd $(@D) && sed -i -e 's/is\([a-z]*\)(\*buf)/is\1((unsigned char) *buf)/g' fix16_str.c
+	$(AD)cd $(@D) && sed -i -e 's/1 <</(uint32_t) 1 <</g' uint32.c
+	$(AD)cd $(@D) && sed -i -e 's/is\([a-z]*\)(\*buf)/is\1((unsigned char) *buf)/g' fix16_str.c
 
 $(BINDIR)$(PKG_NAME)-unittests-src/Makefile:
 	@rm -rf $(@D)
@@ -43,6 +43,7 @@ $(BINDIR)$(PKG_NAME)-unittests-src/Makefile:
 		    -e 's/fprintf(std[^,]*,/printf(/' \
 		    -i $${C_FILE}; \
 	done
+	$(AD)cd $(@D) && patch -p1 --ignore-whitespace < $(CURDIR)/libfixmath-unittests-printf-format.patch
 
 $(BINDIR)$(PKG_NAME)-headers/fix16.h: $(CHECKOUT_FOLDER)/svn_info.xml
 	@rm -rf $(@D)