--- graphviz-2.20.3/cmd/tools/bcomps.c.str	2008-12-24 17:12:17.000000000 +0100
+++ graphviz-2.20.3/cmd/tools/bcomps.c	2008-12-24 17:12:36.000000000 +0100
@@ -371,7 +371,7 @@
 
 static void usage(int v)
 {
-    printf(useString);
+    printf("%s",useString);
     exit(v);
 }
 
--- graphviz-2.20.3/cmd/tools/ccomps.c.str	2008-12-24 17:10:41.000000000 +0100
+++ graphviz-2.20.3/cmd/tools/ccomps.c	2008-12-24 17:10:59.000000000 +0100
@@ -115,7 +115,7 @@
 
 static void usage(int v)
 {
-    printf(useString);
+    printf("%s",useString);
     exit(v);
 }
 
--- graphviz-2.20.3/cmd/tools/gc.c.str	2008-12-24 17:09:06.000000000 +0100
+++ graphviz-2.20.3/cmd/tools/gc.c	2008-12-24 17:09:24.000000000 +0100
@@ -103,7 +103,7 @@
 
 static void usage(int v)
 {
-    printf(useString);
+    printf("%s",useString);
     exit(v);
 }
 
--- graphviz-2.20.3/cmd/tools/gvcolor.c.str	2008-12-24 17:09:36.000000000 +0100
+++ graphviz-2.20.3/cmd/tools/gvcolor.c	2008-12-24 17:09:54.000000000 +0100
@@ -109,7 +109,7 @@
 
 static void usage(int v)
 {
-    printf(useString);
+    printf("%s",useString);
     exit(v);
 }
 
--- graphviz-2.20.3/cmd/tools/gvpack.c.str	2008-12-24 17:11:18.000000000 +0100
+++ graphviz-2.20.3/cmd/tools/gvpack.c	2008-12-24 17:11:34.000000000 +0100
@@ -96,7 +96,7 @@
 
 static void usage(int v)
 {
-    printf(useString);
+    printf("%s",useString);
     exit(v);
 }
 
--- graphviz-2.20.3/cmd/tools/nop.c.str	2008-12-24 17:10:13.000000000 +0100
+++ graphviz-2.20.3/cmd/tools/nop.c	2008-12-24 17:10:27.000000000 +0100
@@ -49,7 +49,7 @@
 
 static void usage(int v)
 {
-    printf(useString);
+    printf("%s",useString);
     exit(v);
 }
 
--- graphviz-2.20.3/cmd/tools/dijkstra.c~	2008-01-09 15:50:35.000000000 -0500
+++ graphviz-2.20.3/cmd/tools/dijkstra.c	2008-12-24 20:22:40.000000000 -0500
@@ -224,7 +224,7 @@
 
 static void usage(int v)
 {
-    printf(useString);
+    printf("%s",useString);
     exit(v);
 }