From 52be3aae5bfe84346b7ce202eae3447a07dfc882 Mon Sep 17 00:00:00 2001
From: Noah Misch <noah@leadboat.com>
Date: Mon, 14 Jul 2014 14:07:12 -0400
Subject: [PATCH] Fix warnings added in
 8d9a0e85bd6ab4fe5268a1d759a787f72ff9333e.

---
 src/tools/msvc/Solution.pm | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/tools/msvc/Solution.pm b/src/tools/msvc/Solution.pm
index d53803e186..89e4b07c80 100644
--- a/src/tools/msvc/Solution.pm
+++ b/src/tools/msvc/Solution.pm
@@ -162,11 +162,13 @@ sub GenerateFiles
 		  || confess "Could not open pg_config.h.win32\n";
 		open(O, ">src\\include\\pg_config.h")
 		  || confess "Could not write to pg_config.h\n";
+		my $extraver = $self->{options}->{extraver};
+		$extraver = '' unless defined $extraver;
 		while (<I>)
 		{
-			s{PG_VERSION "[^"]+"}{PG_VERSION "$self->{strver}$self->{options}->{extraver}"};
+			s{PG_VERSION "[^"]+"}{PG_VERSION "$self->{strver}$extraver"};
 			s{PG_VERSION_NUM \d+}{PG_VERSION_NUM $self->{numver}};
-			s{PG_VERSION_STR "[^"]+"}{__STRINGIFY(x) #x\n#define __STRINGIFY2(z) __STRINGIFY(z)\n#define PG_VERSION_STR "PostgreSQL $self->{strver}$self->{options}->{extraver}, compiled by Visual C++ build " __STRINGIFY2(_MSC_VER) ", $bits-bit"};
+			s{PG_VERSION_STR "[^"]+"}{__STRINGIFY(x) #x\n#define __STRINGIFY2(z) __STRINGIFY(z)\n#define PG_VERSION_STR "PostgreSQL $self->{strver}$extraver, compiled by Visual C++ build " __STRINGIFY2(_MSC_VER) ", $bits-bit"};
 			print O;
 		}
 		print O "#define PG_MAJORVERSION \"$self->{majorver}\"\n";
-- 
2.40.0