detaint to keep perl from complaining

scripts/ZoneMinder/lib/ZoneMinder/Memory.pm.in

@@ -126,6 +126,11 @@ else
     ZoneMinder::Memory::Shared->import();
 }
 
+# Detaint our environment
+$ENV{PATH}  = '/bin:/usr/bin';
+$ENV{SHELL} = '/bin/sh' if exists $ENV{SHELL};
+delete @ENV{qw(IFS CDPATH ENV BASH_ENV)};
+
 # Native architecture
 
 # The following returned the wrong result on some 32 bit distros running on 64 bit hardware