adjust HOPM_LOGDIR

Index: src/Makefile.in
--- src/Makefile.in.orig
+++ src/Makefile.in
@@ -384,7 +384,7 @@ top_build_prefix = @top_build_prefix@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 SUBDIRS = libopm
-AM_CPPFLAGS = -DHOPM_PREFIX="\"$(prefix)\"" -DHOPM_ETCDIR="\"$(sysconfdir)\"" -DHOPM_LOGDIR="\"$(localstatedir)/log\"" -DHOPM_BINPATH="\"$(bindir)/hopm\"" -I$(top_srcdir)/src/libopm/src/
+AM_CPPFLAGS = -DHOPM_PREFIX="\"$(prefix)\"" -DHOPM_ETCDIR="\"$(sysconfdir)/hopm\"" -DHOPM_LOGDIR="\"$(localstatedir)/log/hopm\"" -DHOPM_BINPATH="\"$(bindir)/hopm\"" -I$(top_srcdir)/src/libopm/src/
 AM_YFLAGS = -d
 hopm_SOURCES = compat.c        \
                compat.h        \
