dont error on unused function paramaters

git-svn-id: http://svn.openzap.org/svn/openzap/trunk@83 a93c3328-9c30-0410-af19-c9cd2b2d52af

libs/openzap/src/general.makefile

 CC=gcc
-CC_CFLAGS += -Wall -Werror -Wextra -std=c99 -pedantic -ansi
+CC_CFLAGS += -Wall -Werror -Wextra -std=c99 -pedantic -ansi -Wno-unused-parameter