[PATCH] fix apr-config with symlinks

[Garrett Rooney]

so it looks like apr-config doesn't work when $prefix contains a 
symlink, due to the fact that we use realpath to figure out some paths, 
and cd + pwd to figure out others, so when we try to compare them (for 
determining if we're installed or not), it breaks things.

here's a diff that fixes it on my freebsd 5.0 machine.  (note, a 
similar thing will need to be done for apu-config.in, as it looks like 
it makes the same mistake).

-garrett
--- apr-config.in.orig  Sat Mar 22 22:55:46 2003
+++ apr-config.in       Sat Mar 22 22:56:08 2003
@@ -130,7 +130,7 @@
   APR_SOURCE_DIR="`realpath $APR_SOURCE_DIR`"
 fi
 if test -d $bindir; then
-  tmpbindir="`cd $bindir && pwd`"
+  tmpbindir="`realpath $bindir`"
 else
   tmpbindir=""
 fi