Fix Sun C/C++ Compiler Version Detection (#6757)
Fix Sun C/C++ Compiler Version Detection (#6757)

This fix the bug where the output of `suncc -V` reads:
```
cc: Studio 12.5 Sun C 5.14 SunOS_sparc 2016/05/31
```
and causes 12.5 rather than 5.14 to be captured as the version number of the C compiler.
conan-io/conan,conan-io/conan,conan-io/conan