mail/mmr: unbreak with libc++ 3.9

mime.cpp:895:12: error: assigning to 'char *' from incompatible type 'const char *'
                if ( (ptr=strrchr(file, '/')) != NULL )
                         ^~~~~~~~~~~~~~~~~~~
mimetype.cpp:176:18: error: assigning to 'char *' from incompatible type 'const char *'
        if ( (extension=strrchr(filename, '.')) == NULL )
                        ^~~~~~~~~~~~~~~~~~~~~~

2 files changed, 24 insertions, 0 deletions

diff --git a/mail/mmr/files/patch-mime.cpp b/mail/mmr/files/patch-mime.cpp
new file mode 100644
index 000000000000..0cee0206b9b1
--- /dev/null
+++ b/mail/mmr/files/patch-mime.cpp
@@ -0,0 +1,12 @@
+--- mime.cpp.orig	2006-01-24 07:58:33 UTC
++++ mime.cpp
+@@ -844,7 +844,8 @@ MIME_body:: AddPart(const char *file, in
+ 	char  line[BUFSIZ];
+ 	int   len, blen;
+ 	long  here;
+-	char *boundary, *ptr;
++	const char *ptr;
++	char *boundary;
+ 	char *newcontent, *newencoding;
+ 
+ 	/* Open the input file */
diff --git a/mail/mmr/files/patch-mimetype.cpp b/mail/mmr/files/patch-mimetype.cpp
new file mode 100644
index 000000000000..9f547185cc3c
--- /dev/null
+++ b/mail/mmr/files/patch-mimetype.cpp
@@ -0,0 +1,12 @@
+--- mimetype.cpp.orig	2004-12-11 19:45:05 UTC
++++ mimetype.cpp
+@@ -170,7 +170,8 @@ void Quit_MIMEtypes(void)
+ /* Given a filename, return an appropriate MIME type */
+ char * MIME_Type(const char *filename)
+ {
+-	char *extension, **type;
++	const char *extension;
++	char **type;
+ 
+ 	/* Grab the extension */
+ 	if ( (extension=strrchr(filename, '.')) == NULL )