remove undeclared function/ old code to fix issue #37
Merge pull request #40 from zdenop/upstream

remove undeclared function/ old code to fix issue #37
add option '--dissable-rpath'
Remove incorrect reference count update.

Fixes #44
fix build with leptonica 1.70
Merge pull request #46 from zdenop/fix_leptonica_170

fix build with leptonica 1.70
Merge pull request #43 from zdenop/upstream-rpath

configure: add option '--disable-rpath' (Issue #42)
Merge remote-tracking branch 'upstream/master'

* upstream/master:
  fix build with leptonica 1.70
  Remove incorrect reference count update.
  add option '--dissable-rpath'
  remove undeclared function/ old code to fix issue #37