SkFlags now follows proper dashing convention.

gm/gmmain.cpp

Index: gm/gmmain.cpp
diff --git a/gm/gmmain.cpp b/gm/gmmain.cpp
index 42c7889976a47accf380a6ba18cdc8c6e76d86f7..cf5affaacc12d6b3fec0439e2b6f855338941489 100644
--- a/gm/gmmain.cpp
+++ b/gm/gmmain.cpp
@@ -1068,7 +1068,7 @@ DEFINE_string(tileGridReplayScales, "", "Space separated list of floating-point
 DEFINE_string(writeJsonSummaryPath, "", "Write a JSON-formatted result summary to this file.");
 DEFINE_bool2(verbose, v, false, "Print diagnostics (e.g. list each config to be tested).");
 DEFINE_string2(writePath, w, "",  "Write rendered images into this directory.");
-DEFINE_string2(writePicturePath, wp, "", "Write .skp files into this directory.");
+DEFINE_string2(writePicturePath, p, "", "Write .skp files into this directory.");
 
 static int findConfig(const char config[]) {
     for (size_t i = 0; i < SK_ARRAY_COUNT(gRec); i++) {