Testing code uses random().

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@14804 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavutil/pca.c

@@ -152,6 +152,7 @@ int ff_pca(PCA *pca, double *eigenvector, double *eigenvalue){
 #if 1
 
 #undef printf
+#undef random
 #include <stdio.h>
 #include <stdlib.h>