rpmpgp.h: We do not require the popt header in order to use rpmpgp functions

This can cause failures if the internal libpopt is used, as it's header is
not exported.

Upstream-Status: Pending

Signed-off-by: Mark Hatle <mark.hatle@windriver.com>

Index: rpm-5.4.14/rpmio/rpmpgp.h
===================================================================
--- rpm-5.4.14.orig/rpmio/rpmpgp.h
+++ rpm-5.4.14/rpmio/rpmpgp.h
@@ -11,11 +11,11 @@
  */
 
 #include <string.h>
-#include <popt.h>
 #include <rpmiotypes.h>
 #include <yarn.h>
 
 #if defined(_RPMPGP_INTERNAL)
+#include <popt.h>
 #include <rpmsw.h>
 
 /*@unchecked@*/