mesa: Add .gitignore for hashtable collision unit test.

This test was introduced in commit
35fd61bd99c15c2e13d3945b41c4db7df6e64319.

diff --git a/src/mesa/main/tests/hash_table/.gitignore b/src/mesa/main/tests/hash_table/.gitignore
index 94ede9f..3123ac5 100644 (file)
--- a/src/mesa/main/tests/hash_table/.gitignore
+++ b/src/mesa/main/tests/hash_table/.gitignore
@@ -1,4 +1,5 @@
 Makefile
+collision
 delete_and_lookup
 delete_management
 destroy_callback