7152519: Dependency on non-POSIX header file <link.h> causes portability problem

Reviewed-by: prr, igor

src/solaris/native/sun/awt/fontpath.c

@@ -583,9 +583,6 @@ JNIEXPORT jstring JNICALL Java_sun_awt_X11FontManager_getFontPathNative
 }
 
 #include <dlfcn.h>
-#if !(defined(__linux__) || defined(MACOSX))
-#include <link.h>
-#endif
 
 #include "fontconfig.h"
 

src/solaris/native/sun/java2d/opengl/OGLFuncs_md.h

@@ -27,9 +27,6 @@
 #define OGLFuncs_md_h_Included
 
 #include <stdlib.h>
-#ifndef MACOSX
-#include <link.h>
-#endif
 #include "jvm_md.h"
 #include "J2D_GL/glx.h"
 #include "OGLFuncMacros.h"

src/solaris/native/sun/java2d/x11/XRBackendNative.c

@@ -70,7 +70,6 @@ typedef struct _XRadialGradient {
 
 #ifdef __solaris__
 /* Solaris 10 will not have these symbols at runtime */
-#include <link.h>
 
 typedef Picture (*XRenderCreateLinearGradientFuncType)
                                      (Display *dpy,