MOD: modified bracketing in linux build script

build_scripts/linux/linux_gcc_build_x64_debug_system.sh

@@ -104,7 +104,7 @@ then
 	if [ ${BUILD_ERROR_OCCURED} = "0" ]
 	then
         echo "Building the '${CYAN}lib4neuro${NC}' project for ${WHITE}Debug${NC} (building)"
-        ( cmake --build . --config Debug -- -j${N_CORES}  ) && ( echo "${GREEN}Build complete${NC}." ) || ( echo "${RED}Build finished with errors${NC}!"; export BUILD_ERROR_OCCURED=1; )
+        cmake --build . --config Debug -- -j${N_CORES} && echo "${GREEN}Build complete${NC}." || `echo "${RED}Build finished with errors${NC}!"; export BUILD_ERROR_OCCURED=1;`
 	fi
 
     cd build_scripts/linux