add modelines to .h files as well

solenv/inc/postmac.h

+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
 /*************************************************************************
  *
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
@@ -50,3 +51,5 @@
 #undef Line
 #undef TimeValue
 #undef Pattern
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

solenv/inc/preinclude.h

+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
 /*************************************************************************
  *
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
@@ -36,3 +37,5 @@
 #include <wchar.h>
 #include <features.h>
 #include <assert.h>
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

solenv/inc/premac.h

+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
 /*************************************************************************
  *
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
@@ -50,3 +51,5 @@
 #define Line MacOSLine
 #define TimeValue MacOSTimeValue
 #define Pattern MacOSPattern
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

solenv/src/version.c

+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
 /*************************************************************************
  *
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
@@ -63,3 +64,4 @@ const struct VersionInfo *GetVersionInfo(void)
     return &g_aVersionInfo;
 }
 
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

solenv/unxmacxp/inc/poll.h

+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
 // poll.h
 // MacOS X does not implement poll().  Therefore, this replacement
 // is required.  It uses select().
@@ -171,3 +172,5 @@ inline int poll(struct pollfd *pollSet, int pollCount, int pollTimeout)
 #undef FD_SETSIZE
 
 #endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */