Release of bogofilter 0.7.6.rc1

[Clint Adams]

> Drat!  I'll include it right now and it'll be included in 0.7.6.rc2

Also, arm/powerpc/s390 are broken due to the char signedness issue.
Following has been cut and pasted, thus will have whitespace
differences:

--- bogofilter-0.7.5+rc1.0.7.6.orig/bogoutil.c
+++ bogofilter-0.7.5+rc1.0.7.6/bogoutil.c
@@ -358,9 +358,8 @@
 {
     typedef enum { NONE, DUMP = 1, LOAD = 2, WORD = 3, ROBX = 4 } cmd_t;
 
-    int  count = 0;
+    int  count = 0, ch;
     char *db_file = NULL;
-    char ch;
     cmd_t flag = NONE;
 
     while ((ch = getopt(argc, argv, "d:l:w:R:hvVx:")) != -1)