Rediffing build.patch.

Signed-off-by: Daniel Baumann <daniel@debian.org>

debian/patches/0001-build.patch

@@ -2,18 +2,20 @@ Author: Daniel Baumann <mail@daniel-baumann.ch>
 Description: Avoid overwriting build-environment.
 
 diff -Naurp clzip.orig/configure clzip/configure
---- clzip.orig/configure
-+++ clzip/configure
-@@ -23,9 +23,9 @@ datarootdir='$(prefix)/share'
+--- clzip.orig/configure	2013-07-19 17:24:58.332735484 +0200
++++ clzip/configure	2013-07-19 17:30:30.803563946 +0200
+@@ -20,10 +20,10 @@ bindir='$(exec_prefix)/bin'
+ datarootdir='$(prefix)/share'
  infodir='$(datarootdir)/info'
  mandir='$(datarootdir)/man'
- CC=gcc
+-CC=gcc
 -CPPFLAGS=
 -CFLAGS='-Wall -W -O2'
 -LDFLAGS=
++#CC=gcc
 +#CPPFLAGS=
 +#CFLAGS='-Wall -W -O2'
 +#LDFLAGS=
  
  # checking whether we are using GNU C.
- if [ ! -x /bin/gcc ] &&
+ ${CC} --version > /dev/null 2>&1