Fixed issue with linking on linux

Author: amikhail48

targets/extras/vx_extras_module.cpp

@@ -36,7 +36,7 @@ static vx_kernel_description_t* kernels[] =
     &harris_score_kernel,
     &laplacian3x3_kernel,
     &image_lister_kernel,
-    &nonmaxsuppression_kernel,
+    &extras_nonmaxsuppression_kernel,
     &norm_kernel,
     &scharr3x3_kernel,
     &sobelMxN_kernel,

targets/extras/vx_extras_module.h

@@ -23,23 +23,14 @@
 #ifndef _VX_EXTRAS_MODULE_H_
 #define _VX_EXTRAS_MODULE_H_
 
-#ifdef  __cplusplus
-extern "C" {
-#endif
-
 extern vx_kernel_description_t edge_trace_kernel;
 extern vx_kernel_description_t euclidean_nonmaxsuppression_harris_kernel;
 extern vx_kernel_description_t harris_score_kernel;
 extern vx_kernel_description_t laplacian3x3_kernel;
 extern vx_kernel_description_t image_lister_kernel;
-extern vx_kernel_description_t nonmaxsuppression_kernel;
+extern vx_kernel_description_t extras_nonmaxsuppression_kernel;
 extern vx_kernel_description_t norm_kernel;
 extern vx_kernel_description_t scharr3x3_kernel;
 extern vx_kernel_description_t sobelMxN_kernel;
 
-#ifdef  __cplusplus
-}
-#endif
-
 #endif  /* _VX_EXTRAS_MODULE_H_ */
-

targets/extras/vx_nonmax.cpp

@@ -374,7 +374,7 @@ vx_status VX_CALLBACK own_nonmaxsuppresson_validator(
     return status;
 } /* own_nonmaxsuppresson_validator() */
 
-vx_kernel_description_t nonmaxsuppression_kernel =
+vx_kernel_description_t extras_nonmaxsuppression_kernel =
 {
     VX_KERNEL_EXTRAS_NONMAXSUPPRESSION_CANNY,
     "org.khronos.extra.nonmaximasuppression",