Fix some compiler warnings that hinted some no too unimportant errors.

TODO

@@ -2,6 +2,7 @@ immediate:
 ----------
 - Add sources for the java stuff.
 - Implement encryption in libvncserver.
+- Add a libvncclient-config script.
 
 make SDLvncviewer more versatile
 	- test for missing keys (especially "[]{}" with ./examples/mac),

libvncclient/rfbproto.c

@@ -387,8 +387,8 @@ ConnectToRFBServer(rfbClient* client,const char *hostname, int port)
       return FALSE;
     }
     setbuf(rec->file,NULL);
-    fread(buffer,1,strlen(magic),rec->file);
-    if (strncmp(buffer,magic,strlen(magic))) {
+
+    if (fread(buffer,1,strlen(magic),rec->file) != strlen(magic) || strncmp(buffer,magic,strlen(magic))) {
       rfbClientLog("File %s was not recorded by vncrec.\n",client->serverHost);
       fclose(rec->file);
       return FALSE;

libvncclient/sockets.c

@@ -111,7 +111,7 @@ ReadFromRFBServer(rfbClient* client, char *out, unsigned int n)
       rec->tv=tv;
     }
     
-    return (fread(out,1,n,rec->file)<0?FALSE:TRUE);
+    return (fread(out,1,n,rec->file) != n ? FALSE : TRUE);
   }
   
   if (n <= client->buffered) {

vncterm/LinuxVNC.c

@@ -152,7 +152,10 @@ int main(int argc,char **argv)
 #ifdef USE_OLD_VCS
       fread(buffer,width,height,tty_file);
 #else
-      fread(buffer,width*height*2+4,1,tty_file);
+      if(fread(buffer,width*height*2+4,1,tty_file) != 1) {
+	rfbErr("Error reading framebuffer\n");
+	exit(1);
+      }
       vcHideCursor(console);
 #endif
       fclose(tty_file);