Add patch to call cyr_quota.

quota was renamed to cyr_quota ages ago.  One place in the imap code, in
the implementation of the RECONSTRUCT command, will actually exec that
binary and so it must be patched to match.

cyrus-imapd.spec

@@ -35,8 +35,13 @@ Patch1: patch-cyrus-managesieve-linking
 # Fedora-specific patch for the default configuration file
 Patch2: patch-cyrus-default-configs
 
+# We rename quota to cyr_quota to avoid a conflict with /usr/bin/quota; one
+# place in the source must be patched to match.
+Patch3: patch-cyrus-rename-quota
+
 # vzic uses an old makefile that needs hacks to use the proper flags
-Patch3: patch-vzic-proper-cflags
+Patch4: patch-vzic-proper-cflags
+
 
 Source10: cyrus-imapd.logrotate
 Source11: cyrus-imapd.pam-config

patch-cyrus-rename-quota

@@ -0,0 +1,13 @@
+diff --git a/imap/imapd.c b/imap/imapd.c
+index 586c9ad..efe00fc 100644
+--- a/imap/imapd.c
++++ b/imap/imapd.c
+@@ -7636,7 +7636,7 @@ static void cmd_reconstruct(const char *tag, const char *name, int recursive)
+             fclose(stdout);
+             fclose(stderr);
+ 
+-            ret = snprintf(buf, sizeof(buf), "%s/quota", SBIN_DIR);
++            ret = snprintf(buf, sizeof(buf), "%s/cyr_quota", SBIN_DIR);
+             if(ret < 0 || ret >= (int) sizeof(buf)) {
+                 /* in child, so fatailing won't disconnect our user */
+                 fatal("quota buffer not sufficiently big", EC_CONFIG);