Code: Fixes include guard condition. With this change, we can compile `src/c99func.c` without any extra condition in down-streams' build process.
Code: Fixes include guard condition.
With this change, we can compile `src/c99func.c` without any extra
condition in down-streams' build process.

am11/libsass,am11/libsass,errorx666/libsass,errorx666/libsass,khchanel/libsass,am11/libsass,khchanel/libsass,khchanel/libsass,errorx666/libsass,am11/libsass,errorx666/libsass,khchanel/libsass,am11/libsass,khchanel/libsass