Fix path to zipcmp.

--HG--
branch : HEAD
diff --git a/libzip.pc.in b/libzip.pc.in
index b7f424d..ad1e565 100644
--- a/libzip.pc.in
+++ b/libzip.pc.in
@@ -3,7 +3,7 @@
 libdir=@libdir@
 includedir=@includedir@
 
-zipcmp=@prefix@/zipcmp
+zipcmp=@prefix@/bin/zipcmp
 
 Name: libzip
 Description: library for handling zip archives