Install the man pages for cpp and gcov.  rdar://problem/9828148>

--- Merging r135848 into '.':
U    build_gcc

llvm-svn: 135849
diff --git a/llvm-gcc-4.2/build_gcc b/llvm-gcc-4.2/build_gcc
index b00eb9d..c758c55 100755
--- a/llvm-gcc-4.2/build_gcc
+++ b/llvm-gcc-4.2/build_gcc
@@ -641,7 +641,7 @@
 MAN1_DIR=$DEST_DIR/Developer/usr/share/man/man1
 fi
 mkdir -p ${MAN1_DIR}
-for i in gcc.1 g++.1 ; do
+for i in gcc.1 g++.1 cpp.1 gcov.1 ; do
     cp $DIR/obj-$BUILD-$BUILD/gcc/doc/$i ${MAN1_DIR}/$i
 done
 cp $ORIG_SRC_DIR/gcc/doc/llvm-gcc.1 ${MAN1_DIR}/llvm-gcc.1