ax_python_glue.m4: fix thinko in error message

- was using LIGO_SEGMENTS_VERSION instead of GLUE_VERSION to decide when to
  print the warning about a too-old glue version

gstlal-burst/gnuscripts/ax_python_glue.m4

@@ -11,7 +11,7 @@ AC_DEFUN([AX_PYTHON_GLUE],[
 			AC_MSG_ERROR(["cannot determine version"])
 		])
 		minversion=$1
-		AX_COMPARE_VERSION([$LIGO_SEGMENTS_VERSION], [ge], [${minversion:-0}], [
+		AX_COMPARE_VERSION([$GLUE_VERSION], [ge], [${minversion:-0}], [
 			AC_MSG_RESULT([$GLUE_VERSION])
 		], [
 			AC_MSG_WARN([found $GLUE_VERSION, require at least $1])

gstlal-calibration/gnuscripts/ax_python_glue.m4

@@ -11,7 +11,7 @@ AC_DEFUN([AX_PYTHON_GLUE],[
 			AC_MSG_ERROR(["cannot determine version"])
 		])
 		minversion=$1
-		AX_COMPARE_VERSION([$LIGO_SEGMENTS_VERSION], [ge], [${minversion:-0}], [
+		AX_COMPARE_VERSION([$GLUE_VERSION], [ge], [${minversion:-0}], [
 			AC_MSG_RESULT([$GLUE_VERSION])
 		], [
 			AC_MSG_WARN([found $GLUE_VERSION, require at least $1])

gstlal-inspiral/gnuscripts/ax_python_glue.m4

@@ -11,7 +11,7 @@ AC_DEFUN([AX_PYTHON_GLUE],[
 			AC_MSG_ERROR(["cannot determine version"])
 		])
 		minversion=$1
-		AX_COMPARE_VERSION([$LIGO_SEGMENTS_VERSION], [ge], [${minversion:-0}], [
+		AX_COMPARE_VERSION([$GLUE_VERSION], [ge], [${minversion:-0}], [
 			AC_MSG_RESULT([$GLUE_VERSION])
 		], [
 			AC_MSG_WARN([found $GLUE_VERSION, require at least $1])

gstlal-ugly/gnuscripts/ax_python_glue.m4

@@ -11,7 +11,7 @@ AC_DEFUN([AX_PYTHON_GLUE],[
 			AC_MSG_ERROR(["cannot determine version"])
 		])
 		minversion=$1
-		AX_COMPARE_VERSION([$LIGO_SEGMENTS_VERSION], [ge], [${minversion:-0}], [
+		AX_COMPARE_VERSION([$GLUE_VERSION], [ge], [${minversion:-0}], [
 			AC_MSG_RESULT([$GLUE_VERSION])
 		], [
 			AC_MSG_WARN([found $GLUE_VERSION, require at least $1])

gstlal/gnuscripts/ax_python_glue.m4

@@ -11,7 +11,7 @@ AC_DEFUN([AX_PYTHON_GLUE],[
 			AC_MSG_ERROR(["cannot determine version"])
 		])
 		minversion=$1
-		AX_COMPARE_VERSION([$LIGO_SEGMENTS_VERSION], [ge], [${minversion:-0}], [
+		AX_COMPARE_VERSION([$GLUE_VERSION], [ge], [${minversion:-0}], [
 			AC_MSG_RESULT([$GLUE_VERSION])
 		], [
 			AC_MSG_WARN([found $GLUE_VERSION, require at least $1])