Add missing backslash.


git-svn-id: svn+ssh://svn.code.sf.net/p/mingw-w64/code/trunk@1892 4407c894-4637-0410-b4f5-ada5f102cad1
diff --git a/mingw-w64-headers/Makefile.am b/mingw-w64-headers/Makefile.am
index 176a014..b1b5b2c 100644
--- a/mingw-w64-headers/Makefile.am
+++ b/mingw-w64-headers/Makefile.am
@@ -37,7 +37,7 @@
 sechead_HEADERS = \
   crt/sec_api/conio_s.h  crt/sec_api/crtdbg_s.h  crt/sec_api/io_s.h        crt/sec_api/mbstring_s.h  crt/sec_api/search_s.h \
   crt/sec_api/stdio_s.h  crt/sec_api/stdlib_s.h  crt/sec_api/stralign_s.h  crt/sec_api/string_s.h    crt/sec_api/tchar_s.h  \
-  crt/sec_api/time_s.h   crt/sec_api/wchar_s.h
+  crt/sec_api/time_s.h   crt/sec_api/wchar_s.h \
   crt/process.h
 secsyshead_HEADERS = crt/sec_api/sys/timeb_s.h
 sdkshead_HEADERS = crt/sdks/_mingw_directx.h crt/sdks/_mingw_ddk.h