Doxygen: Update .gitignore for generating docs for in source build.

In source builds are not recommended, but we should still ignore
the generated artifacts.

diff --git a/.gitignore b/.gitignore
index 4227d412bd1261855f615e174dae97f3fee2db2d..4da74f505b230451f7d0c4e58b0d0fcf1bcf4f6c 100644 (file)
--- a/.gitignore
+++ b/.gitignore
@@ -33,6 +33,8 @@ build-aux/ltmain.sh
 build-aux/missing
 build-aux/test-driver
 
+/doc/html
+
 /src/liblzma/liblzma.pc
 /src/lzmainfo/lzmainfo
 /src/xz/xz