stagefright: Unbreak video encoding

 * Fix logic for the FFMPEG video case- we should have only been
   checking for errors when actually calling into our extension.

Change-Id: Ic9fa6ad3913f259c09f0dd37b1720d996ecc386c
diff --git a/media/libstagefright/ACodec.cpp b/media/libstagefright/ACodec.cpp
index 48ffbfa..d3be547 100644
--- a/media/libstagefright/ACodec.cpp
+++ b/media/libstagefright/ACodec.cpp
@@ -4191,9 +4191,9 @@
                     if (!strncmp(mComponentName.c_str(), "OMX.ffmpeg.", 11)) {
                         err = FFMPEGSoftCodec::getVideoPortFormat(portIndex,
                                 (int)videoDef->eCompressionFormat, notify, mOMX, mNode);
-                    }
-                    if (err == OK) {
-                        break;
+                        if (err == OK) {
+                            break;
+                        }
                     }
 
                     if (mIsEncoder ^ (portIndex == kPortIndexOutput)) {