[BUG] Logical error fixed in conversions/c_atoi_str_to_integer.c

[Suraj-Patro]

Description

Expected Behavior

Program should pass all the assertions.

Actual Behavior

Program failed to pass all the assertions.

Possible Fix

Improve the logic of the prgram to fix the error.

Steps to Reproduce

just compile and execute the program as it is.

Context