Fix broken assignment operator added in a previous commit.
Fixes
db73ec9f51 ("rules.mk: add INSTALL_SUID macro")
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
PYTHON:=python
INSTALL_BIN:=install -m0755
PYTHON:=python
INSTALL_BIN:=install -m0755
-INSTALL_SUID:install -m4755
+INSTALL_SUID:=install -m4755
INSTALL_DIR:=install -d -m0755
INSTALL_DATA:=install -m0644
INSTALL_CONF:=install -m0600
INSTALL_DIR:=install -d -m0755
INSTALL_DATA:=install -m0644
INSTALL_CONF:=install -m0600