bump the libtool version

yeah, helper.pl doesn't update it anymore automagically...
we'll probably find a new way to do that in the future...
or we keep on updating it manually...

This fixes #300

helper.pl

@@ -277,7 +277,7 @@ sub patch_makefile {
 sub version_from_tomcrypt_h {
   my $h = read_file(shift);
   if ($h =~ /\n#define\s*SCRYPT\s*"([0-9]+)\.([0-9]+)\.([0-9]+)(.*)"/s) {
-    return "VERSION_PC=$1.$2.$3", "VERSION_LT=0:$1$2", "VERSION=$1.$2.$3$4";
+    return "VERSION_PC=$1.$2.$3", "VERSION_LT=1:0", "VERSION=$1.$2.$3$4";
   }
   else {
     die "#define SCRYPT not found in tomcrypt.h";

makefile_include.mk

@@ -6,7 +6,7 @@
 VERSION=1.18.0-rc4
 VERSION_PC=1.18.0
 # http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
-VERSION_LT=0:118
+VERSION_LT=1:0
 
 # Compiler and Linker Names
 ifndef CROSS_COMPILE