cmds.projects.CmdBuild: Don't change handled Exception

Exceptions raised by the build command are handled and changed, messing up the stack trace. Re-raise the original exception from the exception handler to fix that.
Signed-off-by: Jan Lindemann <jan@janware.com>

src/python/jw/pkg/cmds/projects/CmdBuild.py

@@ -124,7 +124,8 @@ class CmdBuild(Cmd): # export
                     title=title
                 )
             except Exception as e:
-                raise RuntimeError(f'Failed to make target "{target}" in module "{module}" below base {self.app.projs_root}: {str(e)}')
+                log(ERR, f'Failed to make target "{target}" in module "{module}" below base {self.app.projs_root}: {str(e)}')
+                raise
 
         async def run_make_on_modules(modules, order, target):
             cur_project = 0