Superres module enabled for Android. GPU samples build fixed for Android.

samples/gpu/CMakeLists.txt

@@ -41,7 +41,7 @@ if(BUILD_EXAMPLES AND OCV_DEPENDENCIES_FOUND)
 
     target_link_libraries(${the_target} ${OPENCV_LINKER_LIBS} ${OPENCV_GPU_SAMPLES_REQUIRED_DEPS})
 
-    if(HAVE_CUDA)
+    if(HAVE_CUDA AND NOT ANDROID)
       target_link_libraries(${the_target} ${CUDA_CUDA_LIBRARY})
     endif()
 

samples/gpu/brox_optical_flow.cpp

@@ -1,6 +1,7 @@
 #include <iostream>
 #include <iomanip>
 #include <string>
+#include <ctype.h>
 
 #include "cvconfig.h"
 #include "opencv2/core/core.hpp"

samples/gpu/opticalflow_nvidia_api.cpp

@@ -7,6 +7,7 @@
 #include <memory>
 #include <exception>
 #include <ctime>
+#include <ctype.h>
 
 #include "cvconfig.h"
 #include <iostream>

samples/gpu/super_resolution.cpp

@@ -1,6 +1,8 @@
 #include <iostream>
 #include <iomanip>
 #include <string>
+#include <ctype.h>
+
 #include "opencv2/core/core.hpp"
 #include "opencv2/highgui/highgui.hpp"
 #include "opencv2/imgproc/imgproc.hpp"