fit \0 in strings in http_utils_test

Author: Sebastiano Merlino

test/unit/http_utils_test.cpp

@@ -36,11 +36,11 @@ LT_BEGIN_SUITE(http_utils_suite)
 LT_END_SUITE(http_utils_suite)
 
 LT_BEGIN_AUTO_TEST(http_utils_suite, unescape)
-    char* string_with_plus = (char*) malloc(5 * sizeof(char));
+    char* string_with_plus = (char*) malloc(6 * sizeof(char));
     sprintf(string_with_plus, "%s", "A%20B");
     int expected_size = http::http_unescape(string_with_plus);
 
-    char* expected = (char*) malloc(3 * sizeof(char));
+    char* expected = (char*) malloc(4 * sizeof(char));
     sprintf(expected, "%s", "A B");
 
     LT_CHECK_EQ(string(string_with_plus), string(expected));