- avoid adding %{_libdir} to --link-ld output

--- apr-1.2.2/apr-config.in.libdir
+++ apr-1.2.2/apr-config.in
@@ -181,8 +181,10 @@
     ;;
     --link-ld)
     if test "$location" = "installed"; then
-        ### avoid using -L if libdir is a "standard" location like /usr/lib
-        flags="$flags -L$libdir -l${APR_LIBNAME}"
+        if test "$prefix" != "/usr"; then
+            flags="$flags -L$libdir"
+        fi
+        flags="$flags -l${APR_LIBNAME}"
     else
         ### this surely can't work since the library is in .libs?
         flags="$flags -L$APR_BUILD_DIR -l${APR_LIBNAME}"