devel/RStudio: Unbroke the port; Updated to 1.1.434

It was broken because due to the internally set LD_LIBRARY_PATH
containing /lib /lib/libgcc_s.so.1 was loading and causing
conflict with the gcc's libgcc_s.so library.

Fixed by LD_PRELOAD of the gcc's libgcc_s.so library.

Approved by: tcberner (mentor, implicit)