[gucharmap] Fix a typo s/2.0/3.0 for gtk+ version check

[Luca Ferretti <lferrett src gnome org>]

commit e18646c86bafd712a50f81916247616f4aef216f
Author: Luca Ferretti <lferrett gnome org>
Date:   Sat Jun 12 17:44:30 2010 +0200

    Fix a typo s/2.0/3.0 for gtk+ version check

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 1689e08..d78ae29 100644
--- a/configure.ac
+++ b/configure.ac
@@ -98,7 +98,7 @@ case "$with_gtk" in
        GUCHARMAP_API_PC_VERSION=2
        GUCHARMAP_LIBRARY_SUFFIX=
        ;;
-  2.0) GTK_API_VERSION=3.0
+  3.0) GTK_API_VERSION=3.0
        GTK_REQUIRED=2.90.0
        GUCHARMAP_API_VERSION=2.90
        GUCHARMAP_API_MAJOR_VERSION=2