Ignore stage_x64 directory (boostorg#163)

danieljames · danieljames · commit 759683fbefed · 2017-09-25T18:13:32.000+01:00
diff --git a/.gitignore b/.gitignore
@@ -8,6 +8,7 @@
 /dist
 /project-config.jam*
 /stage
+/stage_x64/
 /user-config.jam
 /.settings/
 /.project
