[gtksourceview/gnome-3-14] build: bump g-i requirement to 1.42.0 for properly build vala bindings

[Sébastien Wilmet <swilmet src gnome org>]

commit 975e104724097a67b710cb59ff4af1b0e46c44f3
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Tue Nov 18 18:13:07 2014 +0100

    build: bump g-i requirement to 1.42.0 for properly build vala bindings
    
    For the nullable annotations.
    
    Reviewed-by: Sébastien Wilmet

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index caf7a4f..ee7aab3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -160,7 +160,7 @@ AC_SUBST(PANGO_PREFIX)
 AC_SUBST(GDK_PIXBUF_PREFIX)
 
 # Introspection
-GOBJECT_INTROSPECTION_CHECK([0.9.0])
+GOBJECT_INTROSPECTION_CHECK([1.42.0])
 
 # Code coverage
 GNOME_CODE_COVERAGE