libcamera: Adapt Vector class to new location

Change the namespace of the Vector class from libipa to libcamera and
add it to the build.

Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

src/libcamera/vector.cpp

@@ -5,7 +5,7 @@
  * Vector and related operations
  */
 
-#include "vector.h"
+#include "libcamera/internal/vector.h"
 
 #include <libcamera/base/log.h>
 
@@ -18,8 +18,6 @@ namespace libcamera {
 
 LOG_DEFINE_CATEGORY(Vector)
 
-namespace ipa {
-
 /**
  * \class Vector
  * \brief Vector class
@@ -346,6 +344,4 @@ bool vectorValidateYaml(const YamlObject &obj, unsigned int size)
 }
 #endif /* __DOXYGEN__ */
 
-} /* namespace ipa */
-
 } /* namespace libcamera */