content_archive: Make IsValidNCA() an internally linked function

This is only ever used within the cpp file, so it can just be an
internal function.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/core/file_sys/content_archive.cpp b/src/core/file_sys/content_archive.cpp
index a6bd3369c..6ce1cb0ae 100644
--- a/src/core/file_sys/content_archive.cpp
+++ b/src/core/file_sys/content_archive.cpp
@@ -97,7 +97,7 @@ union NCASectionHeader {
 };
 static_assert(sizeof(NCASectionHeader) == 0x200, "NCASectionHeader has incorrect size.");
 
-bool IsValidNCA(const NCAHeader& header) {
+static bool IsValidNCA(const NCAHeader& header) {
     // TODO(DarkLordZach): Add NCA2/NCA0 support.
     return header.magic == Common::MakeMagic('N', 'C', 'A', '3');
 }