Don't ask for bug reports when running on unsupported platforms.

CRT.c

@@ -124,7 +124,11 @@ void *backtraceArray[128];
 static void CRT_handleSIGSEGV(int sgn) {
    (void) sgn;
    CRT_done();
+   #if __linux
    fprintf(stderr, "\n\nhtop " VERSION " aborting. Please report bug at http://htop.sf.net\n");
+   #else
+   fprintf(stderr, "\n\nhtop " VERSION " aborting. Unsupported platform.\n");
+   #endif
    size_t size = backtrace(backtraceArray, sizeof(backtraceArray));
    fprintf(stderr, "Backtrace: \n");
    backtrace_symbols_fd(backtraceArray, size, 2);