ignore autogenerated config files

Author: arif-pragmasys

.gitattributes

@@ -25,3 +25,4 @@ runconfigure text eol=lf
 configure text eol=lf
 config.guess text eol=lf
 config.sub text eol=lf
+win32_build text eol=lf

.gitignore

@@ -264,15 +264,18 @@ Makefile
 openbsd-compat/Makefile
 openbsd-compat/regress/Makefile
 contrib/win32/win32compat/Makefile
-config.h
-config.h
 regress/rsa_ssh2_cr.prv
 regress/rsa_ssh2_crnl.prv
 regress/t7.out.pub
 regress/t6.out2
 config.h
 configure
 config.h
+confih.h.in
+config.h.tail
+config.sub
+config.guess
+
 
 #temp key files
 d2utmpa*