libbase: switch to #pragma once.
Bug: N/A
Test: builds
Change-Id: I125498ac4257ac4e901c6f2a5f1bfac1432d859d
diff --git a/include/android-base/strings.h b/include/android-base/strings.h
index 4d9fa34..9c35560 100644
--- a/include/android-base/strings.h
+++ b/include/android-base/strings.h
@@ -14,8 +14,7 @@
* limitations under the License.
*/
-#ifndef ANDROID_BASE_STRINGS_H
-#define ANDROID_BASE_STRINGS_H
+#pragma once
#include <sstream>
#include <string>
@@ -75,5 +74,3 @@
} // namespace base
} // namespace android
-
-#endif // ANDROID_BASE_STRINGS_H