clean up remaining struct and function name collisions

I think that having structs with the same name be completely
different depending on which part of the program you look at is
even less readable than having functions with same name.

1 files changed, 3 insertions, 3 deletions

diff --git a/vis-core.h b/vis-core.h
index 92770ee..fb1e50d 100644
--- a/vis-core.h
+++ b/vis-core.h
@@ -124,10 +124,10 @@ typedef struct {             /** collects all information until an operator is e
 	Arg arg;
 } Action;
 
-typedef struct Change Change;
+typedef struct SamChange SamChange;
 typedef struct {
-	Change *changes;      /* all changes in monotonically increasing file position */
-	Change *latest;       /* most recent change */
+	SamChange *changes;   /* all changes in monotonically increasing file position */
+	SamChange *latest;    /* most recent change */
 	enum SamError error;  /* non-zero in case something went wrong */
 } Transcript;