Update examples

example/ex-algo04.c

@@ -14,8 +14,8 @@ int main(void)
 {
   // Let 's' be a string_t and initialize it.
   M_LET(s, string_t)
-    // Let 'v' be a vector of integer and initialize it.
-    M_LET( (v, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10), vector_int_t) {
+  // Let 'v' be a vector of integer and initialize it.
+  M_LET( (v, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10), vector_int_t) {
     int sum = 0, product = 0;
     
     // Compute the sum of theses integers.