Fix pc file

Guillaume Quintard · Felipe Zimmerle · commit 788b69642146 · 2018-09-06T15:38:17.000-03:00
the include path can't have @Package@ at the end as we include headers with #include <modsecurity/modsecurity.h> so it's already in there
diff --git a/modsecurity.pc.in b/modsecurity.pc.in
@@ -6,5 +6,5 @@ includedir=@includedir@
 Name: ModSecurity
 Description: ModSecurity API
 Version: @MSC_VERSION_WITH_PATCHLEVEL@
-Cflags: -I@includedir@/@PACKAGE@
+Cflags: -I@includedir@
 Libs: -L@libdir@ -lmodsecurity
