Follow coding conventions

Remove explicit struct qualifiers and rename structure types.

Signed-off-by: Paul Brook <paul@codesourcery.com>
diff --git a/qemu-common.h b/qemu-common.h
index c90c3e3..b2e2829 100644
--- a/qemu-common.h
+++ b/qemu-common.h
@@ -177,7 +177,10 @@
 typedef struct PCIDevice PCIDevice;
 typedef struct SerialState SerialState;
 typedef struct IRQState *qemu_irq;
-struct pcmcia_card_s;
+typedef struct PCMCIACardState PCMCIACardState;
+typedef struct MouseTransformInfo MouseTransformInfo;
+typedef struct uWireSlave uWireSlave;
+typedef struct I2SCodec I2SCodec;
 
 /* CPU save/load.  */
 void cpu_save(QEMUFile *f, void *opaque);