cmake: fix warning

Author: zdenop

CMakeLists.txt

@@ -156,7 +156,7 @@ else()
         link_directories(${Leptonica_LIBRARY_DIRS})
     else()
         find_package(Leptonica ${MINIMUM_LEPTONICA_VERSION} REQUIRED CONFIG)
-    endif(PKG_CONFIG_EXECUTABLE)
+    endif()
     if (NOT Leptonica_FOUND)
         message(FATAL_ERROR "Cannot find required library Leptonica. Quitting!")
     endif(NOT Leptonica_FOUND)