[PATCH v1] libcamera: utils: StringSplitter: Add `operator==`

[Barnabás Pőcze]

If `cpp_debugstl=true` in the build configuration, then libstdc++ will
try to use `operator==` and the build will fail.

Implement `operator==` in terms of `operator!=` to avoid the build failure.

Signed-off-by: Barnabás Pőcze <pobrn at protonmail.com>
---
 include/libcamera/base/utils.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/libcamera/base/utils.h b/include/libcamera/base/utils.h
index 957150cb..782d5c97 100644
--- a/include/libcamera/base/utils.h
+++ b/include/libcamera/base/utils.h
@@ -205,6 +205,10 @@ public:
 		iterator &operator++();
 		std::string operator*() const;
 		bool operator!=(const iterator &other) const;
+		bool operator==(const iterator &other) const
+		{
+			return !(*this != other);
+		}
 
 	private:
 		const StringSplitter *ss_;
-- 
2.47.1