Fix up the sandbox directory for smalidea tests
diff --git a/.gitignore b/.gitignore
index 45e097e..b7db779 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,7 @@
 /dexlib2/accessorTestGenerator/build
 /smali/build
 /util/build
+/smalidea/build
 *.iml
 *.ipr
 *.iws