(svn r24908) -Fix [FS#5419]: Allow GSs to pass negative integer string parameters (frosch123)

src/script/api/script_text.cpp

@@ -183,7 +183,7 @@ char *ScriptText::_GetEncodedText(char *p, char *lastofp)
 			p = this->paramt[i]->_GetEncodedText(p, lastofp);
 			continue;
 		}
-		p += seprintf(p, lastofp,":%X", this->parami[i]);
+		p += seprintf(p, lastofp,":%X", (uint32)this->parami[i]);
 	}
 
 	return p;

src/strings.cpp

@@ -867,7 +867,7 @@ static char *FormatString(char *buff, const char *str_arg, StringParameters *arg
 						bool lookup = (l == SCC_ENCODED);
 						if (lookup) s += len;
 
-						param = strtol(s, &p, 16);
+						param = (int32)strtoul(s, &p, 16);
 
 						if (lookup) {
 							if (param >= TAB_SIZE) {