Get `gn gen` to succeed on Windows

third_party/sqlite/src/mkso.sh

+#!/bin/sh
+#
+# This script is used to compile SQLite into a shared library on Linux.
+#
+# Two separate shared libraries are generated.  "sqlite3.so" is the core
+# library.  "tclsqlite3.so" contains the TCL bindings and is the
+# library that is loaded into TCL in order to run SQLite.
+#
+make target_source
+cd tsrc
+rm shell.c
+TCLDIR=/home/drh/tcltk/846/linux/846linux
+TCLSTUBLIB=$TCLDIR/libtclstub8.4g.a
+OPTS='-DUSE_TCL_STUBS=1 -DNDEBUG=1 -DHAVE_DLOPEN=1'
+OPTS="$OPTS -DSQLITE_THREADSAFE=1"
+OPTS="$OPTS -DSQLITE_ENABLE_FTS3=1"
+OPTS="$OPTS -DSQLITE_ENABLE_COLUMN_METADATA=1"
+for i in *.c; do
+  if test $i != 'keywordhash.c'; then
+    CMD="cc -fPIC $OPTS -O2 -I. -I$TCLDIR -c $i"
+    echo $CMD
+    $CMD
+  fi
+done
+echo gcc -shared *.o $TCLSTUBLIB -o tclsqlite3.so
+gcc -shared *.o $TCLSTUBLIB -o tclsqlite3.so
+strip tclsqlite3.so
+rm tclsqlite.c tclsqlite.o
+echo gcc -shared *.o -o sqlite3.so
+gcc -shared *.o -o sqlite3.so
+strip sqlite3.so
+cd ..