Fix pread/pwrite for LP64.

Unlike on 32-bit systems where off_t is 32-bit, we don't want to
throw away the top 32 bits of an LP64 system's 64-bit off_t.

Change-Id: Ib2e0daeb4fc0b8ab3d1b983d0b371d8f81033b50

libc/Android.mk

@@ -106,11 +106,9 @@ libc_common_src_files := \
 	bionic/memswap.c \
 	bionic/pathconf.c \
 	bionic/perror.c \
-	bionic/pread.c \
 	bionic/ptsname.c \
 	bionic/ptsname_r.c \
 	bionic/pututline.c \
-	bionic/pwrite.c \
 	bionic/reboot.c \
 	bionic/recv.c \
 	bionic/sched_cpualloc.c \
@@ -180,6 +178,8 @@ libc_common_src_files += \
     bionic/__get_tls.cpp \
     bionic/lseek64.c \
     bionic/ndk_cruft.cpp \
+    bionic/pread.c \
+    bionic/pwrite.c \
     bionic/statfs.c \
 
 endif