Normalize qhexedit.h include path

Include path used for QHexEdit in EditDialog.cpp is "implementation specific"
to how DB4S uses the QHexEdit library. Change is to make usage of library
more generic.

CMakeLists.txt

@@ -76,6 +76,7 @@ else()
     find_package(QCustomPlot)
 endif()
 set(QHEXEDIT_DIR libs/qhexedit)
+set(QHEXEDIT_INCL_DIR ${QHEXEDIT_DIR}/src)
 set(JSON_DIR libs/json)
 
 if(NOT ANTLR2_FOUND)
@@ -360,7 +361,7 @@ endif()
 
 include_directories(
 		"${CMAKE_CURRENT_BINARY_DIR}"
-		${QHEXEDIT_DIR}
+		${QHEXEDIT_INCL_DIR}
 		${JSON_DIR}
 		${ADDITIONAL_INCLUDE_PATHS}
 		src)

src/EditDialog.cpp

@@ -2,7 +2,7 @@
 #include "ui_EditDialog.h"
 #include "sqlitedb.h"
 #include "Settings.h"
-#include "src/qhexedit.h"
+#include "qhexedit.h"
 #include "docktextedit.h"
 #include "FileDialog.h"
 #include "Data.h"