fix dependency of with_mod_dav by getting it out of the with_mod_php scope

apache/apache.spec

@@ -243,6 +243,10 @@ Prefix:       %{l_prefix}
 BuildRoot:    %{l_buildroot}
 BuildPreReq:  OpenPKG, openpkg >= 20060823
 PreReq:       OpenPKG, openpkg >= 20060823
+%if "%{with_mod_dav}" == "yes"
+BuildPreReq:  expat
+PreReq:       expat
+%endif
 %if "%{with_mod_ssl}" == "yes"
 BuildPreReq:  openssl, mm
 PreReq:       openssl, mm
@@ -331,10 +335,6 @@ PreReq:       gettext, libiconv
 BuildPreReq:  imap, openssl
 PreReq:       imap, openssl
 %endif
-%if "%{with_mod_dav}" == "yes"
-BuildPreReq:  expat
-PreReq:       expat
-%endif
 %if "%{with_mod_php_xml}" == "yes"
 BuildPreReq:  libxml
 PreReq:       libxml