Help to Remove This Bug from My Code

Even if you are a hardcore programmer / software developer, I guarantee you that it would be very difficult for you to work on this code snippet. Simply take it as a challenge to remove the bug from the C program code below :)

/* a simple C program */

#include stdio.h;
#define LAST 10

int main()
{
int i, sum = 0;

for ( i = 1; i < = LAST; i++ )
{
sum += i;
}

/*-for-*/
printf("sum = %d\n", sum);
return 0;
}