utils: date: fix clang warning
```
../redfish-core/include/utils/extern/date.h:983:34: error: identifier '_d' preceded by whitespace in a literal operator declaration is deprecated [-Werror,-Wdeprecated-literal-operator]
983 | CONSTCD11 date::day operator "" _d(unsigned long long d) NOEXCEPT;
| ~~~~~~~~~~~~^~
| operator""_d
../redfish-core/include/utils/extern/date.h:984:34: error: identifier '_y' preceded by whitespace in a literal operator declaration is deprecated [-Werror,-Wdeprecated-literal-operator]
984 | CONSTCD11 date::year operator "" _y(unsigned long long y) NOEXCEPT;
| ~~~~~~~~~~~~^~
| operator""_y
```
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I2304818ddc498441f9ed2ede54c92b7f7c48b7c1
diff --git a/redfish-core/include/utils/extern/date.h b/redfish-core/include/utils/extern/date.h
index 209e267..ebeaeb1 100644
--- a/redfish-core/include/utils/extern/date.h
+++ b/redfish-core/include/utils/extern/date.h
@@ -980,8 +980,8 @@
inline namespace literals
{
-CONSTCD11 date::day operator "" _d(unsigned long long d) NOEXCEPT;
-CONSTCD11 date::year operator "" _y(unsigned long long y) NOEXCEPT;
+CONSTCD11 date::day operator ""_d(unsigned long long d) NOEXCEPT;
+CONSTCD11 date::year operator ""_y(unsigned long long y) NOEXCEPT;
} // inline namespace literals
#endif // !defined(_MSC_VER) || (_MSC_VER >= 1900)
@@ -1989,7 +1989,7 @@
CONSTCD11
inline
date::day
-operator "" _d(unsigned long long d) NOEXCEPT
+operator ""_d(unsigned long long d) NOEXCEPT
{
return date::day{static_cast<unsigned>(d)};
}
@@ -1997,7 +1997,7 @@
CONSTCD11
inline
date::year
-operator "" _y(unsigned long long y) NOEXCEPT
+operator ""_y(unsigned long long y) NOEXCEPT
{
return date::year(static_cast<int>(y));
}