[CMake] CMake and it's invocation from MS VC7

[Brad King]

Steve Johns wrote:
> In NRC206:
> 
> ADD_LIBRARY(NRC206 ADDINT.C  ...)

CMake considers upper-case "C" to be a C++ extension by default because 
is a common convention on UNIX, and Windows is case-insensitive.  Try 
adding the files like this:

ADD_LIBRARY(NRC206 addint.c ...)

-Brad