Set LDFLAGS after the object files in shared library linking commands

This makes sure that the built libopenh264.so actually links to
libpthread.so.
Add literal CRLF at the end of nasm commands that are missing them

These are added by MSVC as soon as the file is touched anyway.

This avoids stray changes to the files if the files are resaved
from within the IDE.
Make nasm commands in vcproj files consistent

Some commands had different spacing than others, and commands
for some files had accidentally missed a few parameters.
Merge pull request #1431 from mstorsjo/msvc-unify-nasm

Unify nasm commands in MSVC project files
Merge pull request #1430 from mstorsjo/make-param-reorder

Set LDFLAGS after the object files in shared library linking commands