build-package.sh: define CMAKE_STRIP when configuring cmake build

scripts/build/configure/termux_step_configure_cmake.sh

@@ -36,6 +36,7 @@ termux_step_configure_cmake() {
 		-DCMAKE_AR="$(command -v $AR)" \
 		-DCMAKE_UNAME="$(command -v uname)" \
 		-DCMAKE_RANLIB="$(command -v $RANLIB)" \
+		-DCMAKE_STRIP="$(command -v $STRIP)" \
 		-DCMAKE_BUILD_TYPE=$BUILD_TYPE \
 		-DCMAKE_C_FLAGS="$CFLAGS $CPPFLAGS" \
 		-DCMAKE_CXX_FLAGS="$CXXFLAGS $CPPFLAGS" \