fix MANDIR during regular 'make install'; the port will have to override it
diff --git a/Makefile.inc b/Makefile.inc
index 49b0cf0..808b2d9 100644
--- a/Makefile.inc
+++ b/Makefile.inc
@@ -8,7 +8,7 @@ CFLAGS += -Werror -Wall -Wstrict-prototypes -Wunused-variable
PREFIX ?= /usr/local
BINDIR ?= ${PREFIX}/bin
LIBEXECDIR ?= ${PREFIX}/libexec
-MANDIR ?= ${LOCALBASE}/man/man
+MANDIR ?= ${PREFIX}/man/man
.else
PREFIX ?= ${HOME}
BINDIR ?= ${HOME}/bin