build: fix missing PKG_INFO_DIR

If the first built package has an ABI, PKG_INFO_DIR might not exist, so
ensure it does.

Signed-off-by: George Sapkin <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/21265
Signed-off-by: Robert Marko <[email protected]>

include/package-pack.mk

@@ -191,6 +191,7 @@ endif
     $(STAGING_DIR_ROOT)/stamp/.$(1)_installed: $(PKG_BUILD_DIR)/.pkgdir/$(1).installed
 	mkdir -p $(STAGING_DIR_ROOT)/stamp
 	$(if $(ABI_VERSION),echo '$(ABI_VERSION)' | cmp -s - $(PKG_INFO_DIR)/$(1).version || { \
+		mkdir -p $(PKG_INFO_DIR); \
 		echo '$(ABI_VERSION)' > $(PKG_INFO_DIR)/$(1).version; \
 		$(foreach pkg,$(filter-out $(1),$(PROVIDES)), \
 			cp $(PKG_INFO_DIR)/$(1).version $(PKG_INFO_DIR)/$(pkg).version; \