[gucharmap] build: Add compiler flag

[Christian Persch <chpe src gnome org>]

commit adae557e03006d9ecd69e376ea44590cf39e0cdd
Author: Christian Persch <chpe gnome org>
Date:   Sun Jul 31 13:15:42 2016 +0200

    build: Add compiler flag

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 69e133e..d0ebce2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -258,7 +258,7 @@ CC_CHECK_CFLAGS_APPEND([ \
   -Wdeclaration-after-statement -Wold-style-definition \
   -Wno-missing-field-initializers -Wno-unused-parameter \
   -Wformat-signedness \
-  -fno-common -Wno-switch-enum])
+  -fno-common -fno-strict-aliasing -Wno-switch-enum])
 
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