Fix getpriority/setpriority types.

Bug: N/A
Test: builds
Change-Id: Ica099bae04a0260871783452811a54672094ba4a
diff --git a/libc/Android.bp b/libc/Android.bp
index 04c62b3..cea3305 100644
--- a/libc/Android.bp
+++ b/libc/Android.bp
@@ -4,7 +4,6 @@
     "bionic/ether_aton.c",
     "bionic/ether_ntoa.c",
     "bionic/fts.c",
-    "bionic/getpriority.c",
     "bionic/initgroups.c",
     "bionic/isatty.c",
     "bionic/pututline.c",
@@ -1256,6 +1255,7 @@
         "bionic/getpagesize.cpp",
         "bionic/getpgrp.cpp",
         "bionic/getpid.cpp",
+        "bionic/getpriority.cpp",
         "bionic/gettid.cpp",
         "bionic/__gnu_basename.cpp",
         "bionic/grp_pwd.cpp",