build: fix syntax and rm dbg prints from 2a65e92d

Remove two debug messages and add a missing paren to the cmake source.

Signed-off-by: Rafael Kitover <rkitover@gmail.com>

cmake/RemoveStrawberryPerlFromPATH.cmake

@@ -2,16 +2,12 @@
 # pollution.
 unset(new_path)
 
-message("BEFORE: $ENV{PATH}")
-
 foreach(p $ENV{PATH})
     if(NOT p MATCHES "(^|\\\\)[Ss]trawberry\\\\([Pp]erl|[Cc])\\\\(.*\\\\)?[Bb]in$")
         list(APPEND new_path ${p})
     endif()
-endforeach(
+endforeach()
 
 set(ENV{PATH} "${new_path}")
 
-message("AFTER: $ENV{PATH}")
-
 # vim:sw=4 et sts=4 ts=8: