Bug #240684 - Fix _ebuild_arg_to_phase() to handle the src_prepare phase
so that the default() function is properly created.

svn path=/main/trunk/; revision=11664
diff --git a/bin/ebuild.sh b/bin/ebuild.sh
index 8ee27fc..7cca4f2 100755
--- a/bin/ebuild.sh
+++ b/bin/ebuild.sh
@@ -1395,6 +1395,9 @@
 		unpack)
 			phase_func=src_unpack
 			;;
+		prepare)
+			phase_func=src_prepare
+			;;
 		configure)
 			! hasq $eapi 0 1 2_pre1 && \
 				phase_func=src_configure