Index: Horde3D/Source/Horde3DEngine/utImage.cpp
===================================================================
--- Horde3D/Source/Horde3DEngine/utImage.cpp	(revision 133)
+++ Horde3D/Source/Horde3DEngine/utImage.cpp	(working copy)
@@ -145,9 +145,9 @@
    return failure_reason;
 }
 
-static int e(char *str)
+static int e(const char *str)
 {
-   failure_reason = str;
+   failure_reason = (char *)str;
    return 0;
 }
 
@@ -2603,7 +2603,6 @@
    offset = get32le(s);
    hsz = get32le(s);
    if (hsz != 12 && hsz != 40 && hsz != 56 && hsz != 108) return epuc("unknown BMP", "BMP type not supported: unknown");
-   failure_reason = "bad BMP";
    if (hsz == 12) {
       s->img_x = get16le(s);
       s->img_y = get16le(s);
@@ -3318,7 +3317,7 @@
 #ifndef STBI_NO_HDR
 static int hdr_test(stbi *s)
 {
-   char *signature = "#?RADIANCE\n";
+   const char *signature = "#?RADIANCE\n";
    int i;
    for (i=0; signature[i]; ++i)
       if (get8(s) != signature[i])