--- libmusicbrainz-2.1.5/lib/sigclient.cpp	2006-11-14 17:34:49.000000000 +0100
+++ libmusicbrainz-2.1.5/lib/sigclient.cpp	2016-05-25 10:56:19.796743594 +0200
@@ -38,10 +38,10 @@
 
 #include "sigxdr.h"
 
-char tooShortTRM[] = { 0xf9, 0x80, 0x9a, 0xb1, 0x2b, 0x0f, 0x4d, 0x78, 
-                       0x88, 0x62, 0xfb, 0x42, 0x5a, 0xde, 0x8a, 0xb9 };
-char sigserverBusyTRM[] = { 0xc4, 0x57, 0xa4, 0xa8, 0xb3, 0x42, 0x4e, 0xc9, 
-                            0x8f, 0x13, 0xb6, 0xbd, 0x26, 0xc0, 0xe4, 0x00 };
+char tooShortTRM[] = { (char)0xf9, (char)0x80, (char)0x9a, (char)0xb1, (char)0x2b, (char)0x0f, (char)0x4d, (char)0x78, 
+                       (char)0x88, (char)0x62, (char)0xfb, (char)0x42, (char)0x5a, (char)0xde, (char)0x8a, (char)0xb9 };
+char sigserverBusyTRM[] = { (char)0xc4, (char)0x57, (char)0xa4, (char)0xa8, (char)0xb3, (char)0x42, (char)0x4e, (char)0xc9, 
+                            (char)0x8f, (char)0x13, (char)0xb6, (char)0xbd, (char)0x26, (char)0xc0, (char)0xe4, (char)0x00 };
 
 namespace SigClientVars
 {
--- libmusicbrainz-2.1.5/lib/signature.cpp	2006-11-14 17:34:49.000000000 +0100
+++ libmusicbrainz-2.1.5/lib/signature.cpp	2016-05-25 10:56:31.572970348 +0200
@@ -45,8 +45,8 @@
    typedef long long llong;
 #endif
 
-char silenceTRM[] = { 0x7d, 0x15, 0x4f, 0x52, 0xb5, 0x36, 0x4f, 0xae, 
-                      0xb5, 0x8b, 0x06, 0x66, 0x82, 0x6c, 0x2b, 0xac, 0x00 };
+char silenceTRM[] = { (char)0x7d, (char)0x15, (char)0x4f, (char)0x52, (char)0xb5, (char)0x36, (char)0x4f, (char)0xae, 
+                      (char)0xb5, (char)0x8b, (char)0x06, (char)0x66, (char)0x82, (char)0x6c, (char)0x2b, (char)0xac, (char)0x00 };
 
 TRM::TRM(void)
 {