[libc] remove.cpp dependency on libc.include.stdio

This addresses a build error introduced by
5a75242.

Author: petrhosek

libc/src/stdio/baremetal/CMakeLists.txt

@@ -4,4 +4,6 @@ add_entrypoint_object(
     remove.cpp
   HDRS
     ../remove.h
+  DEPENDS
+    libc.include.stdio
 )

libc/src/stdio/linux/CMakeLists.txt

@@ -6,6 +6,7 @@ add_entrypoint_object(
     ../remove.h
   DEPENDS
     libc.include.fcntl
+    libc.include.stdio
     libc.include.unistd
     libc.include.sys_syscall
     libc.src.__support.OSUtil.osutil