Rename __KDE_HAVE_GCC_VISIBILITY to __TDE_HAVE_GCC_VISIBILITY

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>

config.h.cmake

@@ -1,7 +1,7 @@
 #define VERSION "@VERSION@"
 
 // Defined if you have fvisibility and fvisibility-inlines-hidden support.
-#cmakedefine __KDE_HAVE_GCC_VISIBILITY 1
+#cmakedefine __TDE_HAVE_GCC_VISIBILITY 1
 
 /* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most
    significant byte first (like Motorola and SPARC, unlike Intel). */

src/art_config.h.cmake

@@ -11,7 +11,7 @@ typedef @ART_U8_TYPE@ art_u8;
 typedef @ART_U16_TYPE@ art_u16;
 typedef @ART_U32_TYPE@ art_u32;
 
-#if defined(__KDE_HAVE_GCC_VISIBILITY) || defined(G_HAVE_GCC_VISIBILITY)
+#if defined(__TDE_HAVE_GCC_VISIBILITY) || defined(G_HAVE_GCC_VISIBILITY)
 #define LIBART_NO_EXPORT __attribute__ ((visibility("hidden")))
 #define LIBART_EXPORT __attribute__ ((visibility("default")))
 #elif defined(_WIN32)