main/imap: avoid text relocations by adding -fPIC

This fixes #202

main/imap/APKBUILD

@@ -5,7 +5,7 @@
 # build it shared
 pkgname=imap
 pkgver=2007e
-pkgrel=0
+pkgrel=1
 pkgdesc="An IMAP/POP server"
 url="http://www.washington.edu/imap"
 license="APACHE"
@@ -24,7 +24,8 @@ build ()
 		-i src/osdep/unix/Makefile || return 1
 
 	export GCCCFLAGS="$CFLAGS"
-	make slx SPECIALAUTHENTICATORS=ssl || return 1
+	make slx SPECIALAUTHENTICATORS=ssl EXTRACFLAGS="$CFLAGS -fPIC" \
+		|| return 1
 	
 	mkdir -p $pkgdir/usr/sbin
 	install -D -m755 imapd/imapd $pkgdir/usr/sbin/imapd