Update and fix tintin.rb

Updates to upstream version 2.00.2. Now declares 'pcre' as a package
dependency. Patches Makefile.in such that brew's environment variables, namely
CPPFLAGS and CFLAGS, are passed to autotools.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

Formula/tintin.rb

@@ -1,9 +1,18 @@
 require 'formula'
 
 class Tintin <Formula
-  url 'http://downloads.sourceforge.net/project/tintin/TinTin%2B%2B%20Source%20Code/2.00.1/tintin-2.00.1.tar.gz'
+  url 'http://downloads.sourceforge.net/project/tintin/TinTin%2B%2B%20Source%20Code/2.00.2/tintin-2.00.2.tar.gz'
   homepage 'http://tintin.sf.net'
-  md5 '5bc8d0f4df124f7fe01a5904084ae01b'
+  md5 '930506c30163c2753fc2094c0b43a809'
+
+  # From version 1.91.1, pcre is required to compile TinTin++
+  #   http://tintin.sourceforge.net/board/viewtopic.php?t=786
+  depends_on 'pcre'
+
+  def patches
+    # This puts brew's environ (CPPFLAGS and CFLAGS) in generated Makefile
+    DATA
+  end
 
   def install
     Dir.chdir "src"
@@ -11,3 +20,22 @@ class Tintin <Formula
     system "make install"
   end
 end
+
+__END__
+diff --git a/src/Makefile.in b/src/Makefile.in
+index 067b5ff..d55bc74 100644
+--- a/src/Makefile.in
++++ b/src/Makefile.in
+@@ -31,11 +31,11 @@ docdir = @prefix@/doc
+ 
+ #this is the standard CFLAGS options, this is what most people should use
+ 
+-CFLAGS += $(DEFINES) @BIG5@
++CFLAGS += $(DEFINES) @CFLAGS@ @BIG5@
+ 
+ LDFLAGS = @LDFLAGS@
+ 
+-INCS = @MYINCLUDE@
++INCS = @CPPFLAGS@ @MYINCLUDE@
+ 
+ LIBS = @MYLIB@ @LIBS@