[tracker] Use $(MKDIR_P) instead of $(mkdir_p)

[Debarshi Ray <debarshir src gnome org>]

commit 36830141e807e5408214e64f14fbb100a87e4fb9
Author: Debarshi Ray <debarshir gnome org>
Date:   Thu Oct 10 15:33:03 2013 +0200

    Use $(MKDIR_P) instead of $(mkdir_p)

 Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index e193bd9..a0c7939 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -53,7 +53,7 @@ coverage-report: coverage
                "*.vapi"                               \
                "tracker-marshal.*"
        rm -rf $(top_builddir)/coverage
-       $(mkdir_p) $(top_builddir)/coverage
+       $(MKDIR_P) $(top_builddir)/coverage
        genhtml --title "@PACKAGE_STRING@" --output-directory $(top_builddir)/coverage 
$(top_builddir)/lcov.info
 #endif