wined3d: Void functions should not return a value.

diff --git a/dlls/wined3d/basetexture.c b/dlls/wined3d/basetexture.c
index 3faac87..8e18362 100644
--- a/dlls/wined3d/basetexture.c
+++ b/dlls/wined3d/basetexture.c

@@ -137,7 +137,7 @@
 }
 
 void     WINAPI        IWineD3DBaseTextureImpl_PreLoad(IWineD3DBaseTexture *iface) {
-    return IWineD3DResourceImpl_PreLoad((IWineD3DResource *)iface);
+    IWineD3DResourceImpl_PreLoad((IWineD3DResource *)iface);
 }
 
 WINED3DRESOURCETYPE WINAPI IWineD3DBaseTextureImpl_GetType(IWineD3DBaseTexture *iface) {

diff --git a/dlls/wined3d/cubetexture.c b/dlls/wined3d/cubetexture.c
index d9b0c47..163d00a 100644
--- a/dlls/wined3d/cubetexture.c
+++ b/dlls/wined3d/cubetexture.c

@@ -172,7 +172,7 @@
 }
 
 static void WINAPI IWineD3DCubeTextureImpl_GenerateMipSubLevels(IWineD3DCubeTexture *iface) {
-  return IWineD3DBaseTextureImpl_GenerateMipSubLevels((IWineD3DBaseTexture *)iface);
+    IWineD3DBaseTextureImpl_GenerateMipSubLevels((IWineD3DBaseTexture *)iface);
 }
 
 /* Internal function, No d3d mapping */

diff --git a/dlls/wined3d/indexbuffer.c b/dlls/wined3d/indexbuffer.c
index 18cfce7..2d29563 100644
--- a/dlls/wined3d/indexbuffer.c
+++ b/dlls/wined3d/indexbuffer.c

@@ -107,7 +107,7 @@
 }
 
 static void WINAPI IWineD3DIndexBufferImpl_PreLoad(IWineD3DIndexBuffer *iface) {
-    return IWineD3DResourceImpl_PreLoad((IWineD3DResource *)iface);
+    IWineD3DResourceImpl_PreLoad((IWineD3DResource *)iface);
 }
 
 static WINED3DRESOURCETYPE WINAPI IWineD3DIndexBufferImpl_GetType(IWineD3DIndexBuffer *iface) {

diff --git a/dlls/wined3d/texture.c b/dlls/wined3d/texture.c
index cc8a83a..9fe040c 100644
--- a/dlls/wined3d/texture.c
+++ b/dlls/wined3d/texture.c

@@ -165,7 +165,7 @@
 }
 
 static void WINAPI IWineD3DTextureImpl_GenerateMipSubLevels(IWineD3DTexture *iface) {
-  return IWineD3DBaseTextureImpl_GenerateMipSubLevels((IWineD3DBaseTexture *)iface);
+    IWineD3DBaseTextureImpl_GenerateMipSubLevels((IWineD3DBaseTexture *)iface);
 }
 
 /* Internal function, No d3d mapping */

diff --git a/dlls/wined3d/volume.c b/dlls/wined3d/volume.c
index f0ea113..8d8a182 100644
--- a/dlls/wined3d/volume.c
+++ b/dlls/wined3d/volume.c

@@ -94,7 +94,7 @@
 }
 
 static void WINAPI IWineD3DVolumeImpl_PreLoad(IWineD3DVolume *iface) {
-    return IWineD3DResourceImpl_PreLoad((IWineD3DResource *)iface);
+    IWineD3DResourceImpl_PreLoad((IWineD3DResource *)iface);
 }
 
 static WINED3DRESOURCETYPE WINAPI IWineD3DVolumeImpl_GetType(IWineD3DVolume *iface) {

diff --git a/dlls/wined3d/volumetexture.c b/dlls/wined3d/volumetexture.c
index 2b26eb3..c1b2e45 100644
--- a/dlls/wined3d/volumetexture.c
+++ b/dlls/wined3d/volumetexture.c

@@ -150,7 +150,7 @@
 }
 
 static void WINAPI IWineD3DVolumeTextureImpl_GenerateMipSubLevels(IWineD3DVolumeTexture *iface) {
-  return IWineD3DBaseTextureImpl_GenerateMipSubLevels((IWineD3DBaseTexture *)iface);
+    IWineD3DBaseTextureImpl_GenerateMipSubLevels((IWineD3DBaseTexture *)iface);
 }
 
 /* Internal function, No d3d mapping */