Added info for building static version.

git-svn-id: https://svn.microneil.com/svn/PKG-SNF4CGP-NIX/trunk@21 7ef522f6-be79-40a8-b7df-0a85b3383509

SNF4CGP_Developer_Package/DEVELOPER_NOTES

 
      make OTHER_CXXFLAGS='-Wall'
 
+  See the compiler documentation for other options.
+
+  You can alter any other variable make uses.  For example, to build a
+  static executable, specify LDFLAGS as follows:
+
+     make LDFLAGS="-all-static"
+
+  See the documentation make and libtool for other options.
+
   3) 'make module' (as root).  This creates a tarball named
   SNF4CGP-$(VERSION)-MODULE.tar.gz that contains the binary
   CommuniGate Pro module.