Fixed char_from_long function

source/libublsettings-char.c

@@ -286,14 +286,9 @@ char *yon_char_from_double(double int_to_convert)
 
 char *yon_char_from_long(long int_to_convert)
 {
-    int i = 1;
-    double convert_check = (double)int_to_convert;
-    for (i = 1; convert_check >= 10; i++)
-    {
-        convert_check = convert_check / 10;
-    }
-    char *ch = malloc(i * sizeof(char) + 1);
-    memset(ch,0,i * sizeof(char) + 1);
+    size_t size = 20 * sizeof(char) + 1;
+    char *ch = malloc(size);
+    memset(ch,0,size);
     sprintf(ch, "%ld", int_to_convert);
     return ch;
 }