diff -Naur --exclude '*.orig' --exclude '*~' nxssh/proxy.c nxssh-fix-format-errors/proxy.c
--- nxssh/proxy.c	2007-12-20 13:05:58.000000000 +0100
+++ nxssh-fix-format-errors/proxy.c	2009-03-05 12:33:18.000000000 +0100
@@ -2199,7 +2199,7 @@
                         line[l]     = '\\';
                         line[l + 1] = '\0';
 
-                        debug(line);
+                        debug("%s", line);
 
                         l = 0;
                 }
@@ -2209,7 +2209,7 @@
 
         if (line[0] != '\0')
         {
-            debug(line);
+            debug("%s", line);
         }
 
         debug("---");
@@ -2239,7 +2239,7 @@
                         line[l]     = '\\';
                         line[l + 1] = '\0';
 
-                        debug(line);
+                        debug("%s", line);
 
                         l = 0;
                 }
@@ -2249,7 +2249,7 @@
 
         if (line[0] != '\0')
         {
-            debug(line);
+            debug("%s", line);
         }
 
         debug("---");
diff -Naur --exclude '*.orig' --exclude '*~' nxssh/readpass.c nxssh-fix-format-errors/readpass.c
--- nxssh/readpass.c	2007-09-12 13:30:54.000000000 +0200
+++ nxssh-fix-format-errors/readpass.c	2009-03-05 12:32:41.000000000 +0100
@@ -173,7 +173,7 @@
         {
                 size_t len;
                 int  retr;
-                fprintf(stdout, prompt);
+                fprintf(stdout, "%s", prompt);
                 fflush(stdout);
 
                 len = retr = 0;