Refreshing build.patch.

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

debian/patches/debian/0001-build.patch

@@ -4,16 +4,17 @@ Description: Avoid overwriting build-environment.
 diff -Naurp plzip.orig/configure plzip/configure
 --- plzip.orig/configure
 +++ plzip/configure
-@@ -22,9 +22,9 @@ datarootdir='$(prefix)/share'
+@@ -21,10 +21,10 @@ bindir='$(exec_prefix)/bin'
+ datarootdir='$(prefix)/share'
  infodir='$(datarootdir)/info'
  mandir='$(datarootdir)/man'
- CXX=g++
+-CXX=g++
 -CPPFLAGS=
 -CXXFLAGS='-Wall -W -O2'
 -LDFLAGS=
++#CXX=g++
 +#CPPFLAGS=
 +#CXXFLAGS='-Wall -W -O2'
 +#LDFLAGS=
  LIBS='-llz -lpthread'
- 
- # checking whether we are using GNU C++.
+ MAKEINFO=makeinfo