[california] Disable automatic use of ./configure by dh build

[Jim Nelson <jnelson src gnome org>]

commit 0e20dce88dd29f76782ff743f164aa60fac56287
Author: Felix Eckhofer <felix eckhofer com>
Date:   Sat Jan 3 16:57:54 2015 +0100

    Disable automatic use of ./configure by dh build
    
    When dh_auto_configure executes ./configure, the --enable-unity flag is
    lost.

 debian/rules |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/debian/rules b/debian/rules
index 3693f5c..d2e5d0d 100755
--- a/debian/rules
+++ b/debian/rules
@@ -12,6 +12,8 @@
 %:
        dh $@ --parallel
 
+override_dh_auto_configure: configure
+
 configure:
        ./autogen.sh --prefix=/usr --enable-unity