MKLDNN conv + elementwise_add fusion: fixing formatting

test=develop

Author: Tomasz Patejko

paddle/fluid/inference/analysis/analyzer.h

@@ -79,7 +79,7 @@ class Analyzer : public OrderedRegistry<PassManager> {
       "conv_bn_fuse_pass",             //
       "conv_eltwiseadd_bn_fuse_pass",  //
 #ifdef PADDLE_WITH_MKLDNN
-      "conv_bias_mkldnn_fuse_pass",  //
+      "conv_bias_mkldnn_fuse_pass",             //
       "conv_relu_mkldnn_fuse_pass",             //
       "conv_elementwise_add_mkldnn_fuse_pass",  //
 #endif