Remove yet more fixed-length buffers (and their overruns).

Bug: 20317724
Change-Id: If137fc96f5f23576ccecd388ac87afefa47337c6
diff --git a/services.cpp b/services.cpp
index 769d58e..fa0e73f 100644
--- a/services.cpp
+++ b/services.cpp
@@ -192,7 +192,7 @@
     if (reboot_service_impl(fd, static_cast<const char*>(arg))) {
         // Don't return early. Give the reboot command time to take effect
         // to avoid messing up scripts which do "adb reboot && adb wait-for-device"
-        while (1) {
+        while (true) {
             pause();
         }
     }
@@ -373,7 +373,7 @@
     pid_t pid = (pid_t) (uintptr_t) cookie;
 
     D("entered. fd=%d of pid=%d\n", fd, pid);
-    for (;;) {
+    while (true) {
         int status;
         pid_t p = waitpid(pid, &status, 0);
         if (p == pid) {