Fix formatting of BISON_VERSION and URL variables

Author: HofiOne

Makefile

@@ -13,9 +13,9 @@ SYSLOG_NG_WORKING_DIR := $(WORKING_DIR)/syslog-ng-source
 SYSLOG_NG_TARBALL := $(WORKING_DIR)/syslog-ng.tar.gz
 
 bison:
-	BISON_VERSION = 3.7.6
+	BISON_VERSION=3.7.6
 	# the "official" gnu source - https://ftp.gnu.org/gnu/bison//bison-${BISON_VERSION}.tar.gz - fails more and more, use our mirror
-	URL = https://github.com/syslog-ng/syslog-ng-deps/raw/refs/heads/main/bison/$(BISON_VERSION)/bison.tar.gz
+	URL=https://github.com/syslog-ng/syslog-ng-deps/raw/refs/heads/main/bison/$(BISON_VERSION)/bison.tar.gz
 
 	wget $(URL) -O /tmp/bison.tar.gz
 	tar -xzf /tmp/bison.tar.gz -C /tmp