[ghex] Add -no-undefined flag for Windows build

[Kalev Lember <klember src gnome org>]

commit e9b46095e83ea3cd572f4e7d2529703bb485b27b
Author: Kalev Lember <kalevlember gmail com>
Date:   Sun Apr 1 22:24:54 2012 +0300

    Add -no-undefined flag for Windows build

 src/Makefile.am |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index 6e38e57..ba78dec 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -42,6 +42,7 @@ libgtkhex_3_la_LIBADD = \
 	$(GAILUTIL_LIBS)
 
 libgtkhex_3_la_CFLAGS = -DG_LOG_DOMAIN=\"libgtkhex-3\"
+libgtkhex_3_la_LDFLAGS = -no-undefined
 
 gtkhexinclude_HEADERS = \
 	hex-document.h 			\