Cygwin has a per path setting that controls whether text files default to
behaving in a unix-like (LF) or a DOS-like (CRLF) way.

Explicitly passing a text-mode open flag to open() or fopen() forces the issue,
but most Cygwin users will expect and prefer the default to be followed.

Here is a patch that corrects the issue:

Index: qtools/qfile_unix.cpp
===================================================================
RCS file: /u/kp3softd/cvsroot/qtools/qfile_unix.cpp,v
retrieving revision 1.8
diff -u -p -r1.8 qfile_unix.cpp
--- qtools/qfile_unix.cpp	3 Nov 2003 18:04:42 -0000	1.8
+++ qtools/qfile_unix.cpp	11 Apr 2005 15:20:00 -0000
@@ -175,7 +175,11 @@ bool QFile::open( int m )
 	}
 #if defined(HAS_TEXT_FILEMODE)
 	if ( isTranslated() )
+#ifdef __CYGWIN__
+	    /* Do nothing, allowing the Cygwin mount mode to take effect. */;
+#else
 	    oflags |= OPEN_TEXT;
+#endif
 	else
 	    oflags |= OPEN_BINARY;
 #endif
@@ -214,7 +218,11 @@ bool QFile::open( int m )
 	qstrcpy( perm2, perm );
 #if defined(HAS_TEXT_FILEMODE)
 	if ( isTranslated() )
+#ifdef __CYGWIN__
+	    /* Do nothing, allowing the Cygwin mount mode to take effect. */;
+#else
 	    strcat( perm2, "t" );
+#endif
 	else
 	    strcat( perm2, "b" );
 #endif