fix build for wgr

Signed-off-by: Nan_xinwei <an_xinwei@hoperun.com>

interfaces/innerkits/include/syspara/parameter.h

@@ -26,7 +26,6 @@ extern "C" {
 #define PARAM_VALUE_LEN_MAX  96
 #define PARAM_NAME_LEN_MAX  96
 #define OS_FULL_NAME_LEN 128
-#define MAX_VALUE_LEN 128
 #define VERSION_ID_MAX_LEN 256
 
 static const char EMPTY_STR[] = { "" };

interfaces/innerkits/syspara/param_wrapper.cpp

@@ -29,6 +29,7 @@
 
 namespace OHOS {
 namespace system {
+static constexpr int MAX_VALUE_LEN = 128;
 bool SetParameter(const std::string& key, const std::string& value)
 {
     int ret = SystemSetParameter(key.c_str(), value.c_str());