programs/dtappintegrate: make PATH include /bin.

Without this, we fail without the /usr merge because 'date' is
unavailable.

cde/programs/dtappintegrate/dtappintegrate.src

@@ -301,7 +301,7 @@ APPMAN_FILES="(*)"
 
 ID=$(id)
 LOGFILE=$(mktemp /tmp/dtappint.logXXXXXXXXXXXXXXXX)
-PATH=CDE_INSTALLATION_TOP/bin:/usr/bin
+PATH=CDE_INSTALLATION_TOP/bin:/usr/bin:/bin
 
 XCOMM -------------------------------------------------------------------
 XCOMM  Save application's name in variable.