Revert "Fixes to allow compilation on F14"

This reverts commit 91bc81afee.

Apparently we must build the installer on F13, and this
fix is incompatible with F13... Sigh...

anaconda/loader/mediacheck.c

@@ -75,7 +75,7 @@ int doMediaCheck(char *file, char *descr) {
     data.scale = scale;
     data.label = label;
 
-    rc = mediaCheckFile(file, progressCallback, (void*)&data);
+    rc = mediaCheckFile(file, progressCallback, &data);
 
     newtFormDestroy(f);
     newtPopWindow();

anaconda/loader/windows.c

@@ -66,7 +66,7 @@ void scsiWindow(const char * driver) {
         _("Loading %s driver"), driver);
 }
 
-int progressCallback(void *pbdata, long long pos, long long total) {
+void progressCallback(void *pbdata, long long pos, long long total) {
     struct progressCBdata *data = pbdata;
     char tickmark[2] = "-";
     char *ticks = "-\\|/";
@@ -77,7 +77,6 @@ int progressCallback(void *pbdata, long long pos, long long total) {
 
     newtLabelSetText(data->label, tickmark);
     newtRefresh();
-    return 0;
 }
 
 struct progressCBdata *winProgressBar(int width, int height, char *title, char *text, ...) {

anaconda/loader/windows.h

@@ -37,7 +37,7 @@ struct progressCBdata {
     newtComponent label;
 };
 
-int progressCallback(void *pbdata, long long pos, long long total);
+void progressCallback(void *pbdata, long long pos, long long total);
 struct progressCBdata *winProgressBar(int width, int height, char *title, char *text, ...);
 
 #endif /* _WINDOWS_H_ */