Snippets for xterm 411 from Alpine armv7

Sourced from https://build.alpinelinux.org/buildlogs/build-edge-armv7/community/xterm/xterm-411-r0.log.

./Tekproc.c:364:21: warning: cast increases required alignment of target type [-Wcast-align]
  364 |         tekWidget = (TekWidget)
      |                     ^

./util.c:129:17: warning: unsigned conversion from 'long long int' to 'Pixel' {aka 'long unsigned int'} changes value from '68719476735' to '4294967295' [-Woverflow]
  129 | #define NoPixel 0xfffffffff
      |                 ^~~~~~~~~~~

./Tekproc.c:1374:25: warning: cast increases required alignment of target type [-Wcast-align]
 1374 |     TekWidget request = (TekWidget) wrequest;
      |                         ^

./Tekproc.c:1375:22: warning: cast increases required alignment of target type [-Wcast-align]
 1375 |     TekWidget wnew = (TekWidget) new_arg;
      |                      ^

./Tekproc.c:1567:20: warning: cast increases required alignment of target type [-Wcast-align]
 1567 |     TekWidget tw = (TekWidget) gw;
      |                    ^

./Tekproc.c:2051:14: warning: cast increases required alignment of target type [-Wcast-align]
 2051 |         tw = (TekWidget) CURRENT_EMU();
      |              ^

./Tekproc.c:2056:14: warning: cast increases required alignment of target type [-Wcast-align]
 2056 |         tw = (TekWidget) w;
      |              ^

./main.c:2837:12: warning: cast increases required alignment of target type [-Wcast-align]
 2837 |     term = (XtermWidget) XtVaCreateManagedWidget("vt100", xtermWidgetClass,
      |            ^

./main.c:3308:1: warning: 'pty_search' defined but not used [-Wunused-function]
 3308 | pty_search(int *pty)
      | ^~~~~~~~~~

./misc.c:7342:14: warning: cast increases required alignment of target type [-Wcast-align]
 7342 |         xw = (XtermWidget) CURRENT_EMU();
      |              ^

./misc.c:7347:14: warning: cast increases required alignment of target type [-Wcast-align]
 7347 |         xw = (XtermWidget) w;
      |              ^

./charproc.c:9732:26: warning: cast increases required alignment of target type [-Wcast-align]
 9732 |         XtermWidget xw = (XtermWidget) w;
      |                          ^

./charproc.c:10805:27: warning: cast increases required alignment of target type [-Wcast-align]

./charproc.c:10806:24: warning: cast increases required alignment of target type [-Wcast-align]

./charproc.c:12711:22: warning: cast increases required alignment of target type [-Wcast-align]

./charproc.c:13458:25: warning: cast increases required alignment of target type [-Wcast-align]

./charproc.c:13459:25: warning: cast increases required alignment of target type [-Wcast-align]