Reword one DEFINE as discussed

Author: eddelbuettel

ChangeLog

@@ -4,7 +4,7 @@
 	OpenMP but rely on "$(SHLIB_OPENMP_CFLAGS)" as everywhere else
 
 	* inst/include/RcppArmadillo/config/RcppArmadilloConfigGenerated.h.in:
-	Refine macOS OpenMP detection, respect RCPPARMA_MACOS_DISABLE_OPENMP
+	Refine macOS OpenMP detection, respect RCPPARMADILLO_MACOS_DISABLE_OPENMP
 
 	* inst/include/RcppArmadillo/config/RcppArmadilloConfig.h:
 	ARMA_CRIPPLED_LAPACK is only defined if 'LEGACY' Armadillo selected

inst/include/RcppArmadillo/config/RcppArmadilloConfigGenerated.h.in

@@ -26,7 +26,7 @@
 #if !defined(ARMA_USE_OPENMP)
   #if defined(__APPLE__) && defined(_OPENMP)
     // User has OpenMP available, but check if they want it disabled
-    #ifndef RCPPARMA_MACOS_DISABLE_OPENMP
+    #ifndef RCPPARMADILLO_MACOS_DISABLE_OPENMP
       #define ARMA_USE_OPENMP 1
     #else
       #define ARMA_DONT_USE_OPENMP 1