* Do variable setting in a more portable way such that it works on MacOS as well

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1886098 13f79535-47bb-0310-9956-ffa450edef68

Makefile.in

@@ -169,7 +169,7 @@ docs:
 update-changes:
 	@for i in `find changes-entries -type f`; do \
 	    cp CHANGES CHANGES.tmp ; \
-	    awk -vfname=$$i 'BEGIN{done = 0} \
+	    awk -v fname=$$i 'BEGIN{done = 0} \
 	                    done == 0 && /^Changes with Apache /{ active = 1; print; next}; \
 	                    /^ *\*/ && active == 1 && done == 0{rec=$$0; while(getline<fname){if (! ($$0 ~ /^ *$$/)){print}}printf "\n";print rec; active = 0; done = 1; next} //;' \
 	    CHANGES.tmp > CHANGES ; \