fixed `help2man`

CMakeLists.txt

@@ -28,7 +28,7 @@ target_include_directories(qr PRIVATE src lib)
 add_custom_target(man ALL)
 add_custom_command(
 	TARGET man
-	COMMAND help2man -h "-h" -v "-v" -o qr.7 ${EXE_NAME}
+	COMMAND help2man -h "-h" -v "-v" -o qr.7 ./${EXE_NAME}
 	COMMAND gzip -f qr.7
 )
 

src/QR.cpp

@@ -36,4 +36,4 @@ void QR::render(Format format) {
 	}
 }
 
-}
+}