gentoo-overlay/sci-geosciences/liblas/files/liblas-1.8.1-gcc11.patch

https://github.com/libLAS/libLAS/commit/8c4985384453a2df7254f05688b83706723bad7b.patch
https://bugs.gentoo.org/789732

From 8c4985384453a2df7254f05688b83706723bad7b Mon Sep 17 00:00:00 2001
From: FX Coudert <fxcoudert@gmail.com>
Date: Wed, 4 Oct 2017 11:51:23 +0200
Subject: [PATCH] fix pointer comparison

---
 src/gt_citation.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/gt_citation.cpp b/src/gt_citation.cpp
index 65fce31a..8d3966bc 100644
--- a/src/gt_citation.cpp
+++ b/src/gt_citation.cpp
@@ -155,7 +155,7 @@ char* ImagineCitationTranslation(char* psCitation, geokey_t keyID)
         if(p1[0] == '\0' || p1[0] == '\n' || p1[0] == ' ')
           p1 --;
         p2 = p1 - 1;
-        while( p2>0 && (p2[0] == ' ' || p2[0] == '\0' || p2[0] == '\n') )
+        while( p2 && (p2[0] == ' ' || p2[0] == '\0' || p2[0] == '\n') )
           p2--;
         if(p2 != p1 - 1)
           p1 = p2;
@@ -198,7 +198,7 @@ char* ImagineCitationTranslation(char* psCitation, geokey_t keyID)
         if(p1[0] == '\0' || p1[0] == '\n' || p1[0] == ' ')
           p1 --;
         char* p2 = p1 - 1;
-        while( p2>0 && (p2[0] == ' ' || p2[0] == '\0' || p2[0] == '\n') )
+        while( p2 && (p2[0] == ' ' || p2[0] == '\0' || p2[0] == '\n') )
           p2--;
         if(p2 != p1 - 1)
           p1 = p2;