graphics/nxmu/nxmu_start.c: Extend nxmu_start so that receives a display number as an argument. This makes it possible to have multiple instances of the NX server running on boards that support multiple displays. Also includes updates to boardctl() to accept display number paramters.

tools/nxstyle.c

@@ -250,7 +250,7 @@ int main(int argc, char **argv, char **envp)
               if (line[n] != '}' /* && line[n] != '#' */)
                 {
                   fprintf(stderr,
-                          "Missing blank line after comment line. Found at line %d\n",
+                          "Missing blank line after comment found at line %d\n",
                           comment_lineno);
                 }
             }
@@ -691,7 +691,7 @@ int main(int argc, char **argv, char **envp)
 
               else if (line[n + 1] == '/')
                 {
-                  fprintf(stderr, "C++ style comment on at %d:%d\n",
+                  fprintf(stderr, "C++ style comment at %d:%d\n",
                           lineno, n);
                   n++;
                   continue;