fix issue 1436

Author: zdenop

tesseract.pc.in

@@ -10,7 +10,7 @@ Name: @PACKAGE_NAME@
 Description: An OCR Engine that was developed at HP Labs between 1985 and 1995... and now at Google.
 URL: https://code.google.com/p/tesseract-ocr
 Version: @VERSION@
-# Requires.private: lept
+Requires.private: lept
 Libs: -L${libdir} -ltesseract
 Libs.private: -lpthread -llept @OPENCL_LIB@
 Cflags: -I${includedir}