[Bug 46481] New: strftime has a buffer overflow

https://bugs.winehq.org/show_bug.cgi?id=46481

Bug ID: 46481
           Summary: strftime has a buffer overflow
           Product: Wine
           Version: 3.19
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: msvcrt
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ArchLinux

Created attachment 63309
  --> https://bugs.winehq.org/attachment.cgi?id=63309
test-program

Steps:
1. Compile the attached program with mingw
2. Run the resulting executable

Expected outcome:
The program prints a number less than 2

Actual outcome:
The program prints 21 (I am in Eastern Standard Time)

This happens with both 32-bit and 64-bit executables.  If the buffer size is
decreased enough, this can smash the stack.