Fix SwiftNIO spelling in Static Linux Swift SDK guid

Author: MaxDesiatov

documentation/articles/static-linux-getting-started.md

@@ -254,7 +254,7 @@ Hello, world!
 
 ### What about package dependencies?
 
-Swift packages that make use of Foundation or Swift NIO should just
+Swift packages that make use of Foundation or SwiftNIO should just
 work.  If you try to use a package that uses the C library, however,
 you may have a little work to do.  Such packages often contain files
 with code like the following: