target/Makefile.in: make 3.80 compatibility fix

Patch by Andreas Schweigstill <aschweig@schweigstill.de>

target/Makefile.in

@@ -19,7 +19,8 @@ define COPY_FILE
 	fi
 endef
 COPYTO=$(strip $(subst ",,$(BUILDROOT_COPYTO)))
-else ifneq ($(strip $(subst ",,$(BR2_COPYTO))),)	# Global override
+else
+ifneq ($(strip $(subst ",,$(BR2_COPYTO))),)	# Global override
 #"))
 define COPY_FILE
 	@echo "BR2_COPYTO: Copy to $(BR2_COPYTO)/$(strip $(3))" ; \
@@ -52,6 +53,7 @@ define COPY_FILE
 endef
 #"))
 endif
+endif
 
 # make sure to put everything that is board-specific before the tarroot targets
 include target/generic/Makefile.in