winpthreads: Ignore MSVC object files and Autotools generated files

Signed-off-by: Antonin Décimo <antonin@tarides.com>
Signed-off-by: Martin Storsjö <martin@martin.st>

.gitignore

diff --git a/.gitignore b/.gitignore
index 4cd4756..3d10223 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,13 +12,17 @@
 *.lo
 *.la
 *.gch
+*.obj
+*.res
 
 # Specialized files
 autom4te.cache
+config.cache
 Makefile
 libtool
 config.status
 config.h
+confdefs.h
 stamp-h1
 
 # Autotools test results