git: update .gitignore to ignore *.gz

Author: Christian Hergert

.gitignore

@@ -1,4 +1,3 @@
-.DS_Store
 *~
 *.a
 aclocal.m4
@@ -21,14 +20,18 @@ data
 depcomp
 .deps
 .dirstamp
+.DS_Store
 echo-server
+example-client
+example-gridfs
 example-matcher
+filter-bsondump
 find-and-modify
 *.gcda
 *.gcno
-INSTALL
-tags
+*.gz
 index-source
+INSTALL
 install-sh
 *.la
 .libs
@@ -46,19 +49,17 @@ mongoc-tail
 *.o
 *.pc
 README
+repltest1
+shardtest1
+shardtest2
 *.so
 *.so.*
 stamp-h1
 *.swp
-example-client
-example-gridfs
-filter-bsondump
-repltest1
-shardtest1
-shardtest2
-test.log
+tags
 test-libmongoc
 test-load
+test.log
 test-mock-server
 test-mongoc-array
 test-mongoc-buffer