[cmake] Change FindPostgreSQL patch to use WARNING instead of SEND_ERROR to allow tests to pass

[Orion Poplawski]

commit 6afad27c1a3dd55982feb2fdb0c392cb737b98e0
Author: Orion Poplawski <orion at cora.nwra.com>
Date:   Thu Jul 5 12:16:43 2012 -0600

    Change FindPostgreSQL patch to use WARNING instead of SEND_ERROR to allow tests to pass

 cmake-FindPostgreSQL.patch |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/cmake-FindPostgreSQL.patch b/cmake-FindPostgreSQL.patch
index 213eb14..27315f0 100644
--- a/cmake-FindPostgreSQL.patch
+++ b/cmake-FindPostgreSQL.patch
@@ -36,7 +36,7 @@
 -)
 +macro (fail_if)
 +  if (${ARGV})
-+    message (SEND_ERROR "Couldn't determine PostgreSQL configuration.")
++    message (WARNING "Couldn't determine PostgreSQL configuration.")
 +    unset (PostgreSQL_CONFIG_DIR)
 +    break ()
 +  endif ()