Use (1L << feature)' instead of (1 << feature)' to avoid problems

with integer overflows when we add more fields.

sysdeps/osf1/proclist.c

@@ -29,8 +29,8 @@
 #include <glibtop_suid.h>
 
 static const unsigned long _glibtop_sysdeps_proclist =
-(1 << GLIBTOP_PROCLIST_TOTAL) + (1 << GLIBTOP_PROCLIST_NUMBER) +
-(1 << GLIBTOP_PROCLIST_SIZE);
+(1L << GLIBTOP_PROCLIST_TOTAL) + (1L << GLIBTOP_PROCLIST_NUMBER) +
+(1L << GLIBTOP_PROCLIST_SIZE);
 
 /* Init function. */