ENH: add IMPORT keyword to ADD_LIBRARY, dependencies are not yet working

STYLE: fix line lengths and indentation, use enum as argument to AddLibrary() instead of int (which was initialized from a bool in some cases)

Alex

Source/cmCPluginAPI.cxx

@@ -394,7 +394,9 @@ void CCONV cmAddLibrary(void *arg, const char *libname, int shared,
     {
     srcs2.push_back(srcs[i]);
     }
-  mf->AddLibrary(libname, (shared ? true : false), srcs2);
+  mf->AddLibrary(libname, 
+                 (shared? cmTarget::SHARED_LIBRARY : cmTarget::STATIC_LIBRARY),
+                  srcs2);
 }
 
 char CCONV *cmExpandVariablesInString(void *arg, const char *source,