Do not read array before checking the bounds

Fixes coverity issue 23377

diff --git a/src/frontends/qt4/GuiSymbols.cpp b/src/frontends/qt4/GuiSymbols.cpp
index 1e7e7891bf2f73ac49ece06350475d533669cb5f..6ccecf52411a4777fe8b2fc30938ac44a03656fb 100644 (file)
--- a/src/frontends/qt4/GuiSymbols.cpp
+++ b/src/frontends/qt4/GuiSymbols.cpp
@@ -176,7 +176,7 @@ QString getBlock(char_type c)
 
        // guessing was wrong so far. do a real search.
        int i = 0;
-       while (c > unicode_blocks[i].end && i < no_blocks)
+       while (i < no_blocks && c > unicode_blocks[i].end)
                ++i;
        if (i == no_blocks)
                return QString();